21295116

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{733}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 55490400

約数和(自身を除く): 34195284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 733, 807, 1076, 1466, 1614, 2199, 2421, 2932, 3228, 4398, 4842, 6597, 7263, 8796, 9684, 13194, 14526, 19791, 26388, 29052, 39582, 79164, 197177, 394354, 591531, 788708, 1183062, 1774593, 2366124, 3549186, 5323779, 7098372, 10647558, 21295116]

約数ペア:

[(1, 21295116), (2, 10647558), (3, 7098372), (4, 5323779), (6, 3549186), (9, 2366124), (12, 1774593), (18, 1183062), (27, 788708), (36, 591531), (54, 394354), (108, 197177), (269, 79164), (538, 39582), (733, 29052), (807, 26388), (1076, 19791), (1466, 14526), (1614, 13194), (2199, 9684), (2421, 8796), (2932, 7263), (3228, 6597), (4398, 4842)]