21666372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19841}}^1$

素因数の和:19868

約数の個数: 48

約数和(自身を含む): 62224512

約数和(自身を除く): 40558140

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19841, 39682, 59523, 79364, 119046, 138887, 238092, 257933, 277774, 416661, 515866, 555548, 773799, 833322, 1031732, 1547598, 1666644, 1805531, 3095196, 3611062, 5416593, 7222124, 10833186, 21666372]

約数ペア:

[(1, 21666372), (2, 10833186), (3, 7222124), (4, 5416593), (6, 3611062), (7, 3095196), (12, 1805531), (13, 1666644), (14, 1547598), (21, 1031732), (26, 833322), (28, 773799), (39, 555548), (42, 515866), (52, 416661), (78, 277774), (84, 257933), (91, 238092), (156, 138887), (182, 119046), (273, 79364), (364, 59523), (546, 39682), (1092, 19841)]