21350776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4243}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 43543440

約数和(自身を除く): 22192664

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4243, 5032, 8486, 16972, 33944, 72131, 144262, 156991, 288524, 313982, 577048, 627964, 1255928, 2668847, 5337694, 10675388, 21350776]

約数ペア:

[(1, 21350776), (2, 10675388), (4, 5337694), (8, 2668847), (17, 1255928), (34, 627964), (37, 577048), (68, 313982), (74, 288524), (136, 156991), (148, 144262), (296, 72131), (629, 33944), (1258, 16972), (2516, 8486), (4243, 5032)]