21293844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12409}}^1$

素因数の和:12440

約数の個数: 48

約数和(自身を含む): 58376640

約数和(自身を除く): 37082796

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12409, 24818, 37227, 49636, 74454, 136499, 148908, 161317, 272998, 322634, 409497, 483951, 545996, 645268, 818994, 967902, 1637988, 1774487, 1935804, 3548974, 5323461, 7097948, 10646922, 21293844]

約数ペア:

[(1, 21293844), (2, 10646922), (3, 7097948), (4, 5323461), (6, 3548974), (11, 1935804), (12, 1774487), (13, 1637988), (22, 967902), (26, 818994), (33, 645268), (39, 545996), (44, 483951), (52, 409497), (66, 322634), (78, 272998), (132, 161317), (143, 148908), (156, 136499), (286, 74454), (429, 49636), (572, 37227), (858, 24818), (1716, 12409)]