21188370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 58567680

約数和(自身を除く): 37379310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 619, 815, 978, 1141, 1238, 1630, 1857, 2282, 2445, 3095, 3423, 3714, 4333, 4890, 5705, 6190, 6846, 8666, 9285, 11410, 12999, 17115, 18570, 21665, 25998, 34230, 43330, 64995, 100897, 129990, 201794, 302691, 504485, 605382, 706279, 1008970, 1412558, 1513455, 2118837, 3026910, 3531395, 4237674, 7062790, 10594185, 21188370]

約数ペア:

[(1, 21188370), (2, 10594185), (3, 7062790), (5, 4237674), (6, 3531395), (7, 3026910), (10, 2118837), (14, 1513455), (15, 1412558), (21, 1008970), (30, 706279), (35, 605382), (42, 504485), (70, 302691), (105, 201794), (163, 129990), (210, 100897), (326, 64995), (489, 43330), (619, 34230), (815, 25998), (978, 21665), (1141, 18570), (1238, 17115), (1630, 12999), (1857, 11410), (2282, 9285), (2445, 8666), (3095, 6846), (3423, 6190), (3714, 5705), (4333, 4890)]