21643830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1423}}^1$

素因数の和:1462

約数の個数: 72

約数和(自身を含む): 60978528

約数和(自身を除く): 39334698

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1423, 1521, 1690, 2535, 2846, 3042, 4269, 5070, 7115, 7605, 8538, 12807, 14230, 15210, 18499, 21345, 25614, 36998, 42690, 55497, 64035, 92495, 110994, 128070, 166491, 184990, 240487, 277485, 332982, 480974, 554970, 721461, 832455, 1202435, 1442922, 1664910, 2164383, 2404870, 3607305, 4328766, 7214610, 10821915, 21643830]

約数ペア:

[(1, 21643830), (2, 10821915), (3, 7214610), (5, 4328766), (6, 3607305), (9, 2404870), (10, 2164383), (13, 1664910), (15, 1442922), (18, 1202435), (26, 832455), (30, 721461), (39, 554970), (45, 480974), (65, 332982), (78, 277485), (90, 240487), (117, 184990), (130, 166491), (169, 128070), (195, 110994), (234, 92495), (338, 64035), (390, 55497), (507, 42690), (585, 36998), (845, 25614), (1014, 21345), (1170, 18499), (1423, 15210), (1521, 14230), (1690, 12807), (2535, 8538), (2846, 7605), (3042, 7115), (4269, 5070)]