21465480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1583}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 43541880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1583, 1695, 2260, 2712, 3166, 3390, 4520, 4749, 6332, 6780, 7915, 9498, 12664, 13560, 15830, 18996, 23745, 31660, 37992, 47490, 63320, 94980, 178879, 189960, 357758, 536637, 715516, 894395, 1073274, 1431032, 1788790, 2146548, 2683185, 3577580, 4293096, 5366370, 7155160, 10732740, 21465480]

約数ペア:

[(1, 21465480), (2, 10732740), (3, 7155160), (4, 5366370), (5, 4293096), (6, 3577580), (8, 2683185), (10, 2146548), (12, 1788790), (15, 1431032), (20, 1073274), (24, 894395), (30, 715516), (40, 536637), (60, 357758), (113, 189960), (120, 178879), (226, 94980), (339, 63320), (452, 47490), (565, 37992), (678, 31660), (904, 23745), (1130, 18996), (1356, 15830), (1583, 13560), (1695, 12664), (2260, 9498), (2712, 7915), (3166, 6780), (3390, 6332), (4520, 4749)]