21930260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 50887872

約数和(自身を除く): 28957612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1201, 1660, 1826, 2402, 3652, 4565, 4804, 6005, 9130, 12010, 13211, 18260, 24020, 26422, 52844, 66055, 99683, 132110, 199366, 264220, 398732, 498415, 996830, 1096513, 1993660, 2193026, 4386052, 5482565, 10965130, 21930260]

約数ペア:

[(1, 21930260), (2, 10965130), (4, 5482565), (5, 4386052), (10, 2193026), (11, 1993660), (20, 1096513), (22, 996830), (44, 498415), (55, 398732), (83, 264220), (110, 199366), (166, 132110), (220, 99683), (332, 66055), (415, 52844), (830, 26422), (913, 24020), (1201, 18260), (1660, 13211), (1826, 12010), (2402, 9130), (3652, 6005), (4565, 4804)]