21861856

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 46463760

約数和(自身を除く): 24601904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 877, 1312, 1558, 1754, 3116, 3508, 6232, 7016, 12464, 14032, 16663, 24928, 28064, 33326, 35957, 66652, 71914, 133304, 143828, 266608, 287656, 533216, 575312, 683183, 1150624, 1366366, 2732732, 5465464, 10930928, 21861856]

約数ペア:

[(1, 21861856), (2, 10930928), (4, 5465464), (8, 2732732), (16, 1366366), (19, 1150624), (32, 683183), (38, 575312), (41, 533216), (76, 287656), (82, 266608), (152, 143828), (164, 133304), (304, 71914), (328, 66652), (608, 35957), (656, 33326), (779, 28064), (877, 24928), (1312, 16663), (1558, 14032), (1754, 12464), (3116, 7016), (3508, 6232)]