21886410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8047

約数の個数: 64

約数和(自身を含む): 64657152

約数和(自身を除く): 42770742

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 8017, 16034, 24051, 40085, 48102, 56119, 80170, 104221, 112238, 120255, 168357, 208442, 240510, 280595, 312663, 336714, 521105, 561190, 625326, 729547, 841785, 1042210, 1459094, 1563315, 1683570, 2188641, 3126630, 3647735, 4377282, 7295470, 10943205, 21886410]

約数ペア:

[(1, 21886410), (2, 10943205), (3, 7295470), (5, 4377282), (6, 3647735), (7, 3126630), (10, 2188641), (13, 1683570), (14, 1563315), (15, 1459094), (21, 1042210), (26, 841785), (30, 729547), (35, 625326), (39, 561190), (42, 521105), (65, 336714), (70, 312663), (78, 280595), (91, 240510), (105, 208442), (130, 168357), (182, 120255), (195, 112238), (210, 104221), (273, 80170), (390, 56119), (455, 48102), (546, 40085), (910, 24051), (1365, 16034), (2730, 8017)]