21167375620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1\times {\mathrm{11113}}^1$

素因数の和:11980

約数の個数: 48

約数和(自身を含む): 44856459648

約数和(自身を除く): 23689084028

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 727, 1310, 1454, 2620, 2908, 3635, 7270, 11113, 14540, 22226, 44452, 55565, 95237, 111130, 190474, 222260, 380948, 476185, 952370, 1455803, 1904740, 2911606, 5823212, 7279015, 8079151, 14558030, 16158302, 29116060, 32316604, 40395755, 80791510, 161583020, 1058368781, 2116737562, 4233475124, 5291843905, 10583687810, 21167375620]

約数ペア:

[(1, 21167375620), (2, 10583687810), (4, 5291843905), (5, 4233475124), (10, 2116737562), (20, 1058368781), (131, 161583020), (262, 80791510), (524, 40395755), (655, 32316604), (727, 29116060), (1310, 16158302), (1454, 14558030), (2620, 8079151), (2908, 7279015), (3635, 5823212), (7270, 2911606), (11113, 1904740), (14540, 1455803), (22226, 952370), (44452, 476185), (55565, 380948), (95237, 222260), (111130, 190474)]