21319272

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22777}}^1$

素因数の和:22802

約数の個数: 48

約数和(自身を含む): 62183940

約数和(自身を除く): 40864668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22777, 45554, 68331, 91108, 136662, 182216, 204993, 273324, 296101, 409986, 546648, 592202, 819972, 888303, 1184404, 1639944, 1776606, 2368808, 2664909, 3553212, 5329818, 7106424, 10659636, 21319272]

約数ペア:

[(1, 21319272), (2, 10659636), (3, 7106424), (4, 5329818), (6, 3553212), (8, 2664909), (9, 2368808), (12, 1776606), (13, 1639944), (18, 1184404), (24, 888303), (26, 819972), (36, 592202), (39, 546648), (52, 409986), (72, 296101), (78, 273324), (104, 204993), (117, 182216), (156, 136662), (234, 91108), (312, 68331), (468, 45554), (936, 22777)]