21402840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3023}}^1$

素因数の和:3096

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 43915560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3023, 3540, 6046, 7080, 9069, 12092, 15115, 18138, 24184, 30230, 36276, 45345, 60460, 72552, 90690, 120920, 178357, 181380, 356714, 362760, 535071, 713428, 891785, 1070142, 1426856, 1783570, 2140284, 2675355, 3567140, 4280568, 5350710, 7134280, 10701420, 21402840]

約数ペア:

[(1, 21402840), (2, 10701420), (3, 7134280), (4, 5350710), (5, 4280568), (6, 3567140), (8, 2675355), (10, 2140284), (12, 1783570), (15, 1426856), (20, 1070142), (24, 891785), (30, 713428), (40, 535071), (59, 362760), (60, 356714), (118, 181380), (120, 178357), (177, 120920), (236, 90690), (295, 72552), (354, 60460), (472, 45345), (590, 36276), (708, 30230), (885, 24184), (1180, 18138), (1416, 15115), (1770, 12092), (2360, 9069), (3023, 7080), (3540, 6046)]