21073670172

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{126733}}^1$

素因数の和:126923

約数の個数: 72

約数和(自身を含む): 55357411200

約数和(自身を除く): 34283741028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 149, 186, 279, 298, 372, 447, 558, 596, 894, 1116, 1341, 1788, 2682, 4619, 5364, 9238, 13857, 18476, 27714, 41571, 55428, 83142, 126733, 166284, 253466, 380199, 506932, 760398, 1140597, 1520796, 2281194, 3928723, 4562388, 7857446, 11786169, 15714892, 18883217, 23572338, 35358507, 37766434, 47144676, 56649651, 70717014, 75532868, 113299302, 141434028, 169948953, 226598604, 339897906, 585379727, 679795812, 1170759454, 1756139181, 2341518908, 3512278362, 5268417543, 7024556724, 10536835086, 21073670172]

約数ペア:

[(1, 21073670172), (2, 10536835086), (3, 7024556724), (4, 5268417543), (6, 3512278362), (9, 2341518908), (12, 1756139181), (18, 1170759454), (31, 679795812), (36, 585379727), (62, 339897906), (93, 226598604), (124, 169948953), (149, 141434028), (186, 113299302), (279, 75532868), (298, 70717014), (372, 56649651), (447, 47144676), (558, 37766434), (596, 35358507), (894, 23572338), (1116, 18883217), (1341, 15714892), (1788, 11786169), (2682, 7857446), (4619, 4562388), (5364, 3928723), (9238, 2281194), (13857, 1520796), (18476, 1140597), (27714, 760398), (41571, 506932), (55428, 380199), (83142, 253466), (126733, 166284)]