21902816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1483

約数の個数: 48

約数和(自身を含む): 47726784

約数和(自身を除く): 25823968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1423, 1924, 2846, 3848, 5692, 7696, 11384, 15392, 18499, 22768, 36998, 45536, 52651, 73996, 105302, 147992, 210604, 295984, 421208, 591968, 684463, 842416, 1368926, 1684832, 2737852, 5475704, 10951408, 21902816]

約数ペア:

[(1, 21902816), (2, 10951408), (4, 5475704), (8, 2737852), (13, 1684832), (16, 1368926), (26, 842416), (32, 684463), (37, 591968), (52, 421208), (74, 295984), (104, 210604), (148, 147992), (208, 105302), (296, 73996), (416, 52651), (481, 45536), (592, 36998), (962, 22768), (1184, 18499), (1423, 15392), (1924, 11384), (2846, 7696), (3848, 5692)]