21103024

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 43020560

約数和(自身を除く): 21917536

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 829, 1591, 1658, 3182, 3316, 6364, 6632, 12728, 13264, 25456, 30673, 35647, 61346, 71294, 122692, 142588, 245384, 285176, 490768, 570352, 1318939, 2637878, 5275756, 10551512, 21103024]

約数ペア:

[(1, 21103024), (2, 10551512), (4, 5275756), (8, 2637878), (16, 1318939), (37, 570352), (43, 490768), (74, 285176), (86, 245384), (148, 142588), (172, 122692), (296, 71294), (344, 61346), (592, 35647), (688, 30673), (829, 25456), (1591, 13264), (1658, 12728), (3182, 6632), (3316, 6364)]