21290142

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 43479072

約数和(自身を除く): 22188930

約数列:

[1, 2, 3, 6, 97, 157, 194, 233, 291, 314, 466, 471, 582, 699, 942, 1398, 15229, 22601, 30458, 36581, 45202, 45687, 67803, 73162, 91374, 109743, 135606, 219486, 3548357, 7096714, 10645071, 21290142]

約数ペア:

[(1, 21290142), (2, 10645071), (3, 7096714), (6, 3548357), (97, 219486), (157, 135606), (194, 109743), (233, 91374), (291, 73162), (314, 67803), (466, 45687), (471, 45202), (582, 36581), (699, 30458), (942, 22601), (1398, 15229)]