21752350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 43376688

約数和(自身を除く): 21624338

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 157, 163, 170, 314, 326, 425, 785, 815, 850, 1570, 1630, 2669, 2771, 3925, 4075, 5338, 5542, 7850, 8150, 13345, 13855, 25591, 26690, 27710, 51182, 66725, 69275, 127955, 133450, 138550, 255910, 435047, 639775, 870094, 1279550, 2175235, 4350470, 10876175, 21752350]

約数ペア:

[(1, 21752350), (2, 10876175), (5, 4350470), (10, 2175235), (17, 1279550), (25, 870094), (34, 639775), (50, 435047), (85, 255910), (157, 138550), (163, 133450), (170, 127955), (314, 69275), (326, 66725), (425, 51182), (785, 27710), (815, 26690), (850, 25591), (1570, 13855), (1630, 13345), (2669, 8150), (2771, 7850), (3925, 5542), (4075, 5338)]