21542360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 58482000

約数和(自身を除く): 36939640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 379, 392, 406, 490, 580, 758, 812, 980, 1015, 1160, 1421, 1516, 1624, 1895, 1960, 2030, 2653, 2842, 3032, 3790, 4060, 5306, 5684, 7105, 7580, 8120, 10612, 10991, 11368, 13265, 14210, 15160, 18571, 21224, 21982, 26530, 28420, 37142, 43964, 53060, 54955, 56840, 74284, 76937, 87928, 92855, 106120, 109910, 148568, 153874, 185710, 219820, 307748, 371420, 384685, 439640, 538559, 615496, 742840, 769370, 1077118, 1538740, 2154236, 2692795, 3077480, 4308472, 5385590, 10771180, 21542360]

約数ペア:

[(1, 21542360), (2, 10771180), (4, 5385590), (5, 4308472), (7, 3077480), (8, 2692795), (10, 2154236), (14, 1538740), (20, 1077118), (28, 769370), (29, 742840), (35, 615496), (40, 538559), (49, 439640), (56, 384685), (58, 371420), (70, 307748), (98, 219820), (116, 185710), (140, 153874), (145, 148568), (196, 109910), (203, 106120), (232, 92855), (245, 87928), (280, 76937), (290, 74284), (379, 56840), (392, 54955), (406, 53060), (490, 43964), (580, 37142), (758, 28420), (812, 26530), (980, 21982), (1015, 21224), (1160, 18571), (1421, 15160), (1516, 14210), (1624, 13265), (1895, 11368), (1960, 10991), (2030, 10612), (2653, 8120), (2842, 7580), (3032, 7105), (3790, 5684), (4060, 5306)]