21411240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1579}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 64843200

約数和(自身を除く): 43431960

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, 1579, 1695, 2260, 2712, 3158, 3390, 4520, 4737, 6316, 6780, 7895, 9474, 12632, 13560, 15790, 18948, 23685, 31580, 37896, 47370, 63160, 94740, 178427, 189480, 356854, 535281, 713708, 892135, 1070562, 1427416, 1784270, 2141124, 2676405, 3568540, 4282248, 5352810, 7137080, 10705620, 21411240]

約数ペア:

[(1, 21411240), (2, 10705620), (3, 7137080), (4, 5352810), (5, 4282248), (6, 3568540), (8, 2676405), (10, 2141124), (12, 1784270), (15, 1427416), (20, 1070562), (24, 892135), (30, 713708), (40, 535281), (60, 356854), (113, 189480), (120, 178427), (226, 94740), (339, 63160), (452, 47370), (565, 37896), (678, 31580), (904, 23685), (1130, 18948), (1356, 15790), (1579, 13560), (1695, 12632), (2260, 9474), (2712, 7895), (3158, 6780), (3390, 6316), (4520, 4737)]