21744060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 66787392

約数和(自身を除く): 45043332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 457, 610, 732, 780, 793, 914, 915, 1220, 1371, 1586, 1828, 1830, 2285, 2379, 2742, 3172, 3660, 3965, 4570, 4758, 5484, 5941, 6855, 7930, 9140, 9516, 11882, 11895, 13710, 15860, 17823, 23764, 23790, 27420, 27877, 29705, 35646, 47580, 55754, 59410, 71292, 83631, 89115, 111508, 118820, 139385, 167262, 178230, 278770, 334524, 356460, 362401, 418155, 557540, 724802, 836310, 1087203, 1449604, 1672620, 1812005, 2174406, 3624010, 4348812, 5436015, 7248020, 10872030, 21744060]

約数ペア:

[(1, 21744060), (2, 10872030), (3, 7248020), (4, 5436015), (5, 4348812), (6, 3624010), (10, 2174406), (12, 1812005), (13, 1672620), (15, 1449604), (20, 1087203), (26, 836310), (30, 724802), (39, 557540), (52, 418155), (60, 362401), (61, 356460), (65, 334524), (78, 278770), (122, 178230), (130, 167262), (156, 139385), (183, 118820), (195, 111508), (244, 89115), (260, 83631), (305, 71292), (366, 59410), (390, 55754), (457, 47580), (610, 35646), (732, 29705), (780, 27877), (793, 27420), (914, 23790), (915, 23764), (1220, 17823), (1371, 15860), (1586, 13710), (1828, 11895), (1830, 11882), (2285, 9516), (2379, 9140), (2742, 7930), (3172, 6855), (3660, 5941), (3965, 5484), (4570, 4758)]