21583431940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4973141}}^1$

素因数の和:4973188

約数の個数: 48

約数和(自身を含む): 53471222784

約数和(自身を除く): 31887790844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4973141, 9946282, 19892564, 24865705, 34811987, 49731410, 69623974, 99462820, 139247948, 154167371, 174059935, 308334742, 348119870, 616669484, 696239740, 770836855, 1079171597, 1541673710, 2158343194, 3083347420, 4316686388, 5395857985, 10791715970, 21583431940]

約数ペア:

[(1, 21583431940), (2, 10791715970), (4, 5395857985), (5, 4316686388), (7, 3083347420), (10, 2158343194), (14, 1541673710), (20, 1079171597), (28, 770836855), (31, 696239740), (35, 616669484), (62, 348119870), (70, 308334742), (124, 174059935), (140, 154167371), (155, 139247948), (217, 99462820), (310, 69623974), (434, 49731410), (620, 34811987), (868, 24865705), (1085, 19892564), (2170, 9946282), (4340, 4973141)]