21457292060

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1\times {\mathrm{21179}}^1$

素因数の和:21650

約数の個数: 48

約数和(自身を含む): 45474307200

約数和(自身を除く): 24017015140

約数列:

[1, 2, 4, 5, 10, 20, 179, 283, 358, 566, 716, 895, 1132, 1415, 1790, 2830, 3580, 5660, 21179, 42358, 50657, 84716, 101314, 105895, 202628, 211790, 253285, 423580, 506570, 1013140, 3791041, 5993657, 7582082, 11987314, 15164164, 18955205, 23974628, 29968285, 37910410, 59936570, 75820820, 119873140, 1072864603, 2145729206, 4291458412, 5364323015, 10728646030, 21457292060]

約数ペア:

[(1, 21457292060), (2, 10728646030), (4, 5364323015), (5, 4291458412), (10, 2145729206), (20, 1072864603), (179, 119873140), (283, 75820820), (358, 59936570), (566, 37910410), (716, 29968285), (895, 23974628), (1132, 18955205), (1415, 15164164), (1790, 11987314), (2830, 7582082), (3580, 5993657), (5660, 3791041), (21179, 1013140), (42358, 506570), (50657, 423580), (84716, 253285), (101314, 211790), (105895, 202628)]