21796920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 71435520

約数和(自身を除く): 49638600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 191, 317, 360, 382, 573, 634, 764, 951, 955, 1146, 1268, 1528, 1585, 1719, 1902, 1910, 2292, 2536, 2853, 2865, 3170, 3438, 3804, 3820, 4584, 4755, 5706, 5730, 6340, 6876, 7608, 7640, 8595, 9510, 11412, 11460, 12680, 13752, 14265, 17190, 19020, 22824, 22920, 28530, 34380, 38040, 57060, 60547, 68760, 114120, 121094, 181641, 242188, 302735, 363282, 484376, 544923, 605470, 726564, 908205, 1089846, 1210940, 1453128, 1816410, 2179692, 2421880, 2724615, 3632820, 4359384, 5449230, 7265640, 10898460, 21796920]

約数ペア:

[(1, 21796920), (2, 10898460), (3, 7265640), (4, 5449230), (5, 4359384), (6, 3632820), (8, 2724615), (9, 2421880), (10, 2179692), (12, 1816410), (15, 1453128), (18, 1210940), (20, 1089846), (24, 908205), (30, 726564), (36, 605470), (40, 544923), (45, 484376), (60, 363282), (72, 302735), (90, 242188), (120, 181641), (180, 121094), (191, 114120), (317, 68760), (360, 60547), (382, 57060), (573, 38040), (634, 34380), (764, 28530), (951, 22920), (955, 22824), (1146, 19020), (1268, 17190), (1528, 14265), (1585, 13752), (1719, 12680), (1902, 11460), (1910, 11412), (2292, 9510), (2536, 8595), (2853, 7640), (2865, 7608), (3170, 6876), (3438, 6340), (3804, 5730), (3820, 5706), (4584, 4755)]