21277710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13907}}^1$

素因数の和:13937

約数の個数: 48

約数和(自身を含む): 58580496

約数和(自身を除く): 37302786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13907, 27814, 41721, 69535, 83442, 125163, 139070, 208605, 236419, 250326, 417210, 472838, 625815, 709257, 1182095, 1251630, 1418514, 2127771, 2364190, 3546285, 4255542, 7092570, 10638855, 21277710]

約数ペア:

[(1, 21277710), (2, 10638855), (3, 7092570), (5, 4255542), (6, 3546285), (9, 2364190), (10, 2127771), (15, 1418514), (17, 1251630), (18, 1182095), (30, 709257), (34, 625815), (45, 472838), (51, 417210), (85, 250326), (90, 236419), (102, 208605), (153, 139070), (170, 125163), (255, 83442), (306, 69535), (510, 41721), (765, 27814), (1530, 13907)]