21000604814

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1\times {\mathrm{32057}}^1$

素因数の和:32780

約数の個数: 32

約数和(自身を含む): 36552275136

約数和(自身を除く): 15551670322

約数列:

[1, 2, 7, 14, 73, 146, 511, 641, 1022, 1282, 4487, 8974, 32057, 46793, 64114, 93586, 224399, 327551, 448798, 655102, 2340161, 4680322, 16381127, 20548537, 32762254, 41097074, 143839759, 287679518, 1500043201, 3000086402, 10500302407, 21000604814]

約数ペア:

[(1, 21000604814), (2, 10500302407), (7, 3000086402), (14, 1500043201), (73, 287679518), (146, 143839759), (511, 41097074), (641, 32762254), (1022, 20548537), (1282, 16381127), (4487, 4680322), (8974, 2340161), (32057, 655102), (46793, 448798), (64114, 327551), (93586, 224399)]