21109050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:848

約数の個数: 72

約数和(自身を含む): 57717660

約数和(自身を除く): 36608610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 769, 915, 1098, 1525, 1538, 1830, 2307, 2745, 3050, 3845, 4575, 4614, 5490, 6921, 7690, 9150, 11535, 13725, 13842, 19225, 23070, 27450, 34605, 38450, 46909, 57675, 69210, 93818, 115350, 140727, 173025, 234545, 281454, 346050, 422181, 469090, 703635, 844362, 1172725, 1407270, 2110905, 2345450, 3518175, 4221810, 7036350, 10554525, 21109050]

約数ペア:

[(1, 21109050), (2, 10554525), (3, 7036350), (5, 4221810), (6, 3518175), (9, 2345450), (10, 2110905), (15, 1407270), (18, 1172725), (25, 844362), (30, 703635), (45, 469090), (50, 422181), (61, 346050), (75, 281454), (90, 234545), (122, 173025), (150, 140727), (183, 115350), (225, 93818), (305, 69210), (366, 57675), (450, 46909), (549, 38450), (610, 34605), (769, 27450), (915, 23070), (1098, 19225), (1525, 13842), (1538, 13725), (1830, 11535), (2307, 9150), (2745, 7690), (3050, 6921), (3845, 5490), (4575, 4614)]