21000657690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:869

約数の個数: 192

約数和(自身を含む): 57620160000

約数和(自身を除く): 36619502310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 79, 87, 90, 145, 158, 174, 179, 237, 261, 290, 358, 395, 435, 474, 522, 537, 569, 711, 790, 870, 895, 1074, 1138, 1185, 1305, 1422, 1611, 1707, 1790, 2291, 2370, 2610, 2685, 2845, 3222, 3414, 3555, 4582, 5121, 5191, 5370, 5690, 6873, 7110, 8055, 8535, 10242, 10382, 11455, 13746, 14141, 15573, 16110, 16501, 17070, 20619, 22910, 25605, 25955, 28282, 31146, 33002, 34365, 41238, 42423, 44951, 46719, 49503, 51210, 51910, 68730, 70705, 77865, 82505, 84846, 89902, 93438, 99006, 101851, 103095, 127269, 134853, 141410, 148509, 155730, 165010, 203702, 206190, 212115, 224755, 233595, 247515, 254538, 269706, 297018, 305553, 404559, 410089, 424230, 449510, 467190, 495030, 509255, 611106, 636345, 674265, 742545, 809118, 820178, 916659, 1018510, 1230267, 1272690, 1303579, 1348530, 1485090, 1527765, 1833318, 2022795, 2050445, 2460534, 2607158, 2953679, 3055530, 3690801, 3910737, 4045590, 4100890, 4583295, 5907358, 6151335, 6517895, 7381602, 7821474, 8046229, 8861037, 9166590, 11732211, 12302670, 13035790, 14768395, 16092458, 17722074, 18454005, 19553685, 23464422, 24138687, 26583111, 29536790, 36908010, 39107370, 40231145, 44305185, 48277374, 53166222, 58661055, 72416061, 80462290, 88610370, 117322110, 120693435, 132915555, 144832122, 233340641, 241386870, 265831110, 362080305, 466681282, 700021923, 724160610, 1166703205, 1400043846, 2100065769, 2333406410, 3500109615, 4200131538, 7000219230, 10500328845, 21000657690]

約数ペア:

[(1, 21000657690), (2, 10500328845), (3, 7000219230), (5, 4200131538), (6, 3500109615), (9, 2333406410), (10, 2100065769), (15, 1400043846), (18, 1166703205), (29, 724160610), (30, 700021923), (45, 466681282), (58, 362080305), (79, 265831110), (87, 241386870), (90, 233340641), (145, 144832122), (158, 132915555), (174, 120693435), (179, 117322110), (237, 88610370), (261, 80462290), (290, 72416061), (358, 58661055), (395, 53166222), (435, 48277374), (474, 44305185), (522, 40231145), (537, 39107370), (569, 36908010), (711, 29536790), (790, 26583111), (870, 24138687), (895, 23464422), (1074, 19553685), (1138, 18454005), (1185, 17722074), (1305, 16092458), (1422, 14768395), (1611, 13035790), (1707, 12302670), (1790, 11732211), (2291, 9166590), (2370, 8861037), (2610, 8046229), (2685, 7821474), (2845, 7381602), (3222, 6517895), (3414, 6151335), (3555, 5907358), (4582, 4583295), (5121, 4100890), (5191, 4045590), (5370, 3910737), (5690, 3690801), (6873, 3055530), (7110, 2953679), (8055, 2607158), (8535, 2460534), (10242, 2050445), (10382, 2022795), (11455, 1833318), (13746, 1527765), (14141, 1485090), (15573, 1348530), (16110, 1303579), (16501, 1272690), (17070, 1230267), (20619, 1018510), (22910, 916659), (25605, 820178), (25955, 809118), (28282, 742545), (31146, 674265), (33002, 636345), (34365, 611106), (41238, 509255), (42423, 495030), (44951, 467190), (46719, 449510), (49503, 424230), (51210, 410089), (51910, 404559), (68730, 305553), (70705, 297018), (77865, 269706), (82505, 254538), (84846, 247515), (89902, 233595), (93438, 224755), (99006, 212115), (101851, 206190), (103095, 203702), (127269, 165010), (134853, 155730), (141410, 148509)]