21498200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6323}}^1$

素因数の和:6356

約数の個数: 48

約数和(自身を含む): 52931880

約数和(自身を除く): 31433680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6323, 12646, 25292, 31615, 50584, 63230, 107491, 126460, 158075, 214982, 252920, 316150, 429964, 537455, 632300, 859928, 1074910, 1264600, 2149820, 2687275, 4299640, 5374550, 10749100, 21498200]

約数ペア:

[(1, 21498200), (2, 10749100), (4, 5374550), (5, 4299640), (8, 2687275), (10, 2149820), (17, 1264600), (20, 1074910), (25, 859928), (34, 632300), (40, 537455), (50, 429964), (68, 316150), (85, 252920), (100, 214982), (136, 158075), (170, 126460), (200, 107491), (340, 63230), (425, 50584), (680, 31615), (850, 25292), (1700, 12646), (3400, 6323)]