21939570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{769}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 57297240

約数和(自身を除く): 35357670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 769, 951, 1538, 1585, 1902, 2307, 2853, 3170, 3845, 4614, 4755, 5706, 6921, 7690, 9510, 11535, 13842, 14265, 23070, 28530, 34605, 69210, 243773, 487546, 731319, 1218865, 1462638, 2193957, 2437730, 3656595, 4387914, 7313190, 10969785, 21939570]

約数ペア:

[(1, 21939570), (2, 10969785), (3, 7313190), (5, 4387914), (6, 3656595), (9, 2437730), (10, 2193957), (15, 1462638), (18, 1218865), (30, 731319), (45, 487546), (90, 243773), (317, 69210), (634, 34605), (769, 28530), (951, 23070), (1538, 14265), (1585, 13842), (1902, 11535), (2307, 9510), (2853, 7690), (3170, 6921), (3845, 5706), (4614, 4755)]