21290118

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4012

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 24190842

約数列:

[1, 2, 3, 6, 29, 31, 58, 62, 87, 93, 174, 186, 899, 1798, 2697, 3947, 5394, 7894, 11841, 23682, 114463, 122357, 228926, 244714, 343389, 367071, 686778, 734142, 3548353, 7096706, 10645059, 21290118]

約数ペア:

[(1, 21290118), (2, 10645059), (3, 7096706), (6, 3548353), (29, 734142), (31, 686778), (58, 367071), (62, 343389), (87, 244714), (93, 228926), (174, 122357), (186, 114463), (899, 23682), (1798, 11841), (2697, 7894), (3947, 5394)]