21423012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1543}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 54472320

約数和(自身を除く): 33049308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 1543, 2314, 3086, 3471, 4628, 4629, 6172, 6942, 9258, 13884, 18516, 20059, 40118, 60177, 80236, 120354, 137327, 240708, 274654, 411981, 549308, 823962, 1647924, 1785251, 3570502, 5355753, 7141004, 10711506, 21423012]

約数ペア:

[(1, 21423012), (2, 10711506), (3, 7141004), (4, 5355753), (6, 3570502), (12, 1785251), (13, 1647924), (26, 823962), (39, 549308), (52, 411981), (78, 274654), (89, 240708), (156, 137327), (178, 120354), (267, 80236), (356, 60177), (534, 40118), (1068, 20059), (1157, 18516), (1543, 13884), (2314, 9258), (3086, 6942), (3471, 6172), (4628, 4629)]