21028395360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{17053}}^1$

素因数の和:17445

約数の個数: 192

約数和(自身を含む): 75912947712

約数和(自身を除く): 54884552352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 367, 420, 480, 560, 672, 734, 840, 1101, 1120, 1468, 1680, 1835, 2202, 2569, 2936, 3360, 3670, 4404, 5138, 5505, 5872, 7340, 7707, 8808, 10276, 11010, 11744, 12845, 14680, 15414, 17053, 17616, 20552, 22020, 25690, 29360, 30828, 34106, 35232, 38535, 41104, 44040, 51159, 51380, 58720, 61656, 68212, 77070, 82208, 85265, 88080, 102318, 102760, 119371, 123312, 136424, 154140, 170530, 176160, 204636, 205520, 238742, 246624, 255795, 272848, 308280, 341060, 358113, 409272, 411040, 477484, 511590, 545696, 596855, 616560, 682120, 716226, 818544, 954968, 1023180, 1193710, 1233120, 1364240, 1432452, 1637088, 1790565, 1909936, 2046360, 2387420, 2728480, 2864904, 3581130, 3819872, 4092720, 4774840, 5729808, 6258451, 7162260, 8185440, 9549680, 11459616, 12516902, 14324520, 18775353, 19099360, 25033804, 28649040, 31292255, 37550706, 43809157, 50067608, 57298080, 62584510, 75101412, 87618314, 93876765, 100135216, 125169020, 131427471, 150202824, 175236628, 187753530, 200270432, 219045785, 250338040, 262854942, 300405648, 350473256, 375507060, 438091570, 500676080, 525709884, 600811296, 657137355, 700946512, 751014120, 876183140, 1001352160, 1051419768, 1314274710, 1401893024, 1502028240, 1752366280, 2102839536, 2628549420, 3004056480, 3504732560, 4205679072, 5257098840, 7009465120, 10514197680, 21028395360]

約数ペア:

[(1, 21028395360), (2, 10514197680), (3, 7009465120), (4, 5257098840), (5, 4205679072), (6, 3504732560), (7, 3004056480), (8, 2628549420), (10, 2102839536), (12, 1752366280), (14, 1502028240), (15, 1401893024), (16, 1314274710), (20, 1051419768), (21, 1001352160), (24, 876183140), (28, 751014120), (30, 700946512), (32, 657137355), (35, 600811296), (40, 525709884), (42, 500676080), (48, 438091570), (56, 375507060), (60, 350473256), (70, 300405648), (80, 262854942), (84, 250338040), (96, 219045785), (105, 200270432), (112, 187753530), (120, 175236628), (140, 150202824), (160, 131427471), (168, 125169020), (210, 100135216), (224, 93876765), (240, 87618314), (280, 75101412), (336, 62584510), (367, 57298080), (420, 50067608), (480, 43809157), (560, 37550706), (672, 31292255), (734, 28649040), (840, 25033804), (1101, 19099360), (1120, 18775353), (1468, 14324520), (1680, 12516902), (1835, 11459616), (2202, 9549680), (2569, 8185440), (2936, 7162260), (3360, 6258451), (3670, 5729808), (4404, 4774840), (5138, 4092720), (5505, 3819872), (5872, 3581130), (7340, 2864904), (7707, 2728480), (8808, 2387420), (10276, 2046360), (11010, 1909936), (11744, 1790565), (12845, 1637088), (14680, 1432452), (15414, 1364240), (17053, 1233120), (17616, 1193710), (20552, 1023180), (22020, 954968), (25690, 818544), (29360, 716226), (30828, 682120), (34106, 616560), (35232, 596855), (38535, 545696), (41104, 511590), (44040, 477484), (51159, 411040), (51380, 409272), (58720, 358113), (61656, 341060), (68212, 308280), (77070, 272848), (82208, 255795), (85265, 246624), (88080, 238742), (102318, 205520), (102760, 204636), (119371, 176160), (123312, 170530), (136424, 154140)]