21183570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4441}}^1$

素因数の和:4507

約数の個数: 48

約数和(自身を含む): 56129112

約数和(自身を除く): 34945542

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4441, 4770, 8882, 13323, 22205, 26646, 39969, 44410, 66615, 79938, 133230, 199845, 235373, 399690, 470746, 706119, 1176865, 1412238, 2118357, 2353730, 3530595, 4236714, 7061190, 10591785, 21183570]

約数ペア:

[(1, 21183570), (2, 10591785), (3, 7061190), (5, 4236714), (6, 3530595), (9, 2353730), (10, 2118357), (15, 1412238), (18, 1176865), (30, 706119), (45, 470746), (53, 399690), (90, 235373), (106, 199845), (159, 133230), (265, 79938), (318, 66615), (477, 44410), (530, 39969), (795, 26646), (954, 22205), (1590, 13323), (2385, 8882), (4441, 4770)]