21728100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 67995648

約数和(自身を除く): 46267548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 47, 50, 60, 67, 69, 75, 92, 94, 100, 115, 134, 138, 141, 150, 188, 201, 230, 235, 268, 276, 282, 300, 335, 345, 402, 460, 470, 564, 575, 670, 690, 705, 804, 940, 1005, 1081, 1150, 1175, 1340, 1380, 1410, 1541, 1675, 1725, 2010, 2162, 2300, 2350, 2820, 3082, 3149, 3243, 3350, 3450, 3525, 4020, 4324, 4623, 4700, 5025, 5405, 6164, 6298, 6486, 6700, 6900, 7050, 7705, 9246, 9447, 10050, 10810, 12596, 12972, 14100, 15410, 15745, 16215, 18492, 18894, 20100, 21620, 23115, 27025, 30820, 31490, 32430, 37788, 38525, 46230, 47235, 54050, 62980, 64860, 72427, 77050, 78725, 81075, 92460, 94470, 108100, 115575, 144854, 154100, 157450, 162150, 188940, 217281, 231150, 236175, 289708, 314900, 324300, 362135, 434562, 462300, 472350, 724270, 869124, 944700, 1086405, 1448540, 1810675, 2172810, 3621350, 4345620, 5432025, 7242700, 10864050, 21728100]

約数ペア:

[(1, 21728100), (2, 10864050), (3, 7242700), (4, 5432025), (5, 4345620), (6, 3621350), (10, 2172810), (12, 1810675), (15, 1448540), (20, 1086405), (23, 944700), (25, 869124), (30, 724270), (46, 472350), (47, 462300), (50, 434562), (60, 362135), (67, 324300), (69, 314900), (75, 289708), (92, 236175), (94, 231150), (100, 217281), (115, 188940), (134, 162150), (138, 157450), (141, 154100), (150, 144854), (188, 115575), (201, 108100), (230, 94470), (235, 92460), (268, 81075), (276, 78725), (282, 77050), (300, 72427), (335, 64860), (345, 62980), (402, 54050), (460, 47235), (470, 46230), (564, 38525), (575, 37788), (670, 32430), (690, 31490), (705, 30820), (804, 27025), (940, 23115), (1005, 21620), (1081, 20100), (1150, 18894), (1175, 18492), (1340, 16215), (1380, 15745), (1410, 15410), (1541, 14100), (1675, 12972), (1725, 12596), (2010, 10810), (2162, 10050), (2300, 9447), (2350, 9246), (2820, 7705), (3082, 7050), (3149, 6900), (3243, 6700), (3350, 6486), (3450, 6298), (3525, 6164), (4020, 5405), (4324, 5025), (4623, 4700)]