21141692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 24242500

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1607, 3214, 3289, 6428, 6578, 13156, 17677, 20891, 35354, 36961, 41782, 70708, 73922, 83564, 147844, 229801, 406571, 459602, 480493, 813142, 919204, 960986, 1626284, 1921972, 5285423, 10570846, 21141692]

約数ペア:

[(1, 21141692), (2, 10570846), (4, 5285423), (11, 1921972), (13, 1626284), (22, 960986), (23, 919204), (26, 813142), (44, 480493), (46, 459602), (52, 406571), (92, 229801), (143, 147844), (253, 83564), (286, 73922), (299, 70708), (506, 41782), (572, 36961), (598, 35354), (1012, 20891), (1196, 17677), (1607, 13156), (3214, 6578), (3289, 6428)]