21997530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1049}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 57493800

約数和(自身を除く): 35496270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 1049, 1165, 1398, 2097, 2098, 2330, 3147, 3495, 4194, 5245, 6294, 6990, 9441, 10485, 10490, 15735, 18882, 20970, 31470, 47205, 94410, 244417, 488834, 733251, 1222085, 1466502, 2199753, 2444170, 3666255, 4399506, 7332510, 10998765, 21997530]

約数ペア:

[(1, 21997530), (2, 10998765), (3, 7332510), (5, 4399506), (6, 3666255), (9, 2444170), (10, 2199753), (15, 1466502), (18, 1222085), (30, 733251), (45, 488834), (90, 244417), (233, 94410), (466, 47205), (699, 31470), (1049, 20970), (1165, 18882), (1398, 15735), (2097, 10490), (2098, 10485), (2330, 9441), (3147, 6990), (3495, 6294), (4194, 5245)]