21764280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2707}}^1$

素因数の和:2788

約数の個数: 64

約数和(自身を含む): 66291840

約数和(自身を除く): 44527560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 2707, 4020, 5414, 8040, 8121, 10828, 13535, 16242, 21656, 27070, 32484, 40605, 54140, 64968, 81210, 108280, 162420, 181369, 324840, 362738, 544107, 725476, 906845, 1088214, 1450952, 1813690, 2176428, 2720535, 3627380, 4352856, 5441070, 7254760, 10882140, 21764280]

約数ペア:

[(1, 21764280), (2, 10882140), (3, 7254760), (4, 5441070), (5, 4352856), (6, 3627380), (8, 2720535), (10, 2176428), (12, 1813690), (15, 1450952), (20, 1088214), (24, 906845), (30, 725476), (40, 544107), (60, 362738), (67, 324840), (120, 181369), (134, 162420), (201, 108280), (268, 81210), (335, 64968), (402, 54140), (536, 40605), (670, 32484), (804, 27070), (1005, 21656), (1340, 16242), (1608, 13535), (2010, 10828), (2680, 8121), (2707, 8040), (4020, 5414)]