21489924

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 30119676

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 127, 177, 236, 239, 254, 354, 381, 478, 508, 708, 717, 762, 956, 1434, 1524, 2868, 7493, 14101, 14986, 22479, 28202, 29972, 30353, 42303, 44958, 56404, 60706, 84606, 89916, 91059, 121412, 169212, 182118, 364236, 1790827, 3581654, 5372481, 7163308, 10744962, 21489924]

約数ペア:

[(1, 21489924), (2, 10744962), (3, 7163308), (4, 5372481), (6, 3581654), (12, 1790827), (59, 364236), (118, 182118), (127, 169212), (177, 121412), (236, 91059), (239, 89916), (254, 84606), (354, 60706), (381, 56404), (478, 44958), (508, 42303), (708, 30353), (717, 29972), (762, 28202), (956, 22479), (1434, 14986), (1524, 14101), (2868, 7493)]