21574450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{449}}^1$

素因数の和:523

約数の個数: 36

約数和(自身を含む): 41557050

約数和(自身を除く): 19982600

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 449, 775, 898, 961, 1550, 1922, 2245, 4490, 4805, 9610, 11225, 13919, 22450, 24025, 27838, 48050, 69595, 139190, 347975, 431489, 695950, 862978, 2157445, 4314890, 10787225, 21574450]

約数ペア:

[(1, 21574450), (2, 10787225), (5, 4314890), (10, 2157445), (25, 862978), (31, 695950), (50, 431489), (62, 347975), (155, 139190), (310, 69595), (449, 48050), (775, 27838), (898, 24025), (961, 22450), (1550, 13919), (1922, 11225), (2245, 9610), (4490, 4805)]