21648510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18503}}^1$

素因数の和:18529

約数の個数: 48

約数和(自身を含む): 60619104

約数和(自身を除く): 38970594

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18503, 37006, 55509, 92515, 111018, 166527, 185030, 240539, 277545, 333054, 481078, 555090, 721617, 832635, 1202695, 1443234, 1665270, 2164851, 2405390, 3608085, 4329702, 7216170, 10824255, 21648510]

約数ペア:

[(1, 21648510), (2, 10824255), (3, 7216170), (5, 4329702), (6, 3608085), (9, 2405390), (10, 2164851), (13, 1665270), (15, 1443234), (18, 1202695), (26, 832635), (30, 721617), (39, 555090), (45, 481078), (65, 333054), (78, 277545), (90, 240539), (117, 185030), (130, 166527), (195, 111018), (234, 92515), (390, 55509), (585, 37006), (1170, 18503)]