21513384

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 60278400

約数和(自身を除く): 38765016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 727, 822, 1096, 1233, 1454, 1644, 2181, 2466, 2908, 3288, 3699, 4362, 4932, 5816, 6543, 7398, 8724, 9864, 13086, 14796, 17448, 19629, 26172, 29592, 39258, 52344, 78516, 99599, 157032, 199198, 298797, 398396, 597594, 796792, 896391, 1195188, 1792782, 2390376, 2689173, 3585564, 5378346, 7171128, 10756692, 21513384]

約数ペア:

[(1, 21513384), (2, 10756692), (3, 7171128), (4, 5378346), (6, 3585564), (8, 2689173), (9, 2390376), (12, 1792782), (18, 1195188), (24, 896391), (27, 796792), (36, 597594), (54, 398396), (72, 298797), (108, 199198), (137, 157032), (216, 99599), (274, 78516), (411, 52344), (548, 39258), (727, 29592), (822, 26172), (1096, 19629), (1233, 17448), (1454, 14796), (1644, 13086), (2181, 9864), (2466, 8724), (2908, 7398), (3288, 6543), (3699, 5816), (4362, 4932)]