21631504030

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{55793}}^1$

素因数の和:56220

約数の個数: 32

約数和(自身を含む): 39360212064

約数和(自身を除く): 17728708034

約数列:

[1, 2, 5, 10, 137, 274, 283, 566, 685, 1370, 1415, 2830, 38771, 55793, 77542, 111586, 193855, 278965, 387710, 557930, 7643641, 15287282, 15789419, 31578838, 38218205, 76436410, 78947095, 157894190, 2163150403, 4326300806, 10815752015, 21631504030]

約数ペア:

[(1, 21631504030), (2, 10815752015), (5, 4326300806), (10, 2163150403), (137, 157894190), (274, 78947095), (283, 76436410), (566, 38218205), (685, 31578838), (1370, 15789419), (1415, 15287282), (2830, 7643641), (38771, 557930), (55793, 387710), (77542, 278965), (111586, 193855)]