21704750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5107}}^1$

素因数の和:5141

約数の個数: 32

約数和(自身を含む): 43029792

約数和(自身を除く): 21325042

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 5107, 10214, 25535, 51070, 86819, 127675, 173638, 255350, 434095, 638375, 868190, 1276750, 2170475, 4340950, 10852375, 21704750]

約数ペア:

[(1, 21704750), (2, 10852375), (5, 4340950), (10, 2170475), (17, 1276750), (25, 868190), (34, 638375), (50, 434095), (85, 255350), (125, 173638), (170, 127675), (250, 86819), (425, 51070), (850, 25535), (2125, 10214), (4250, 5107)]