21414220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62983}}^1$

素因数の和:63009

約数の個数: 24

約数和(自身を含む): 47615904

約数和(自身を除く): 26201684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 62983, 125966, 251932, 314915, 629830, 1070711, 1259660, 2141422, 4282844, 5353555, 10707110, 21414220]

約数ペア:

[(1, 21414220), (2, 10707110), (4, 5353555), (5, 4282844), (10, 2141422), (17, 1259660), (20, 1070711), (34, 629830), (68, 314915), (85, 251932), (170, 125966), (340, 62983)]