21825284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 43711920

約数和(自身を除く): 21886636

約数列:

[1, 2, 4, 13, 26, 29, 41, 52, 58, 82, 116, 164, 353, 377, 533, 706, 754, 1066, 1189, 1412, 1508, 2132, 2378, 4589, 4756, 9178, 10237, 14473, 15457, 18356, 20474, 28946, 30914, 40948, 57892, 61828, 133081, 188149, 266162, 376298, 419717, 532324, 752596, 839434, 1678868, 5456321, 10912642, 21825284]

約数ペア:

[(1, 21825284), (2, 10912642), (4, 5456321), (13, 1678868), (26, 839434), (29, 752596), (41, 532324), (52, 419717), (58, 376298), (82, 266162), (116, 188149), (164, 133081), (353, 61828), (377, 57892), (533, 40948), (706, 30914), (754, 28946), (1066, 20474), (1189, 18356), (1412, 15457), (1508, 14473), (2132, 10237), (2378, 9178), (4589, 4756)]