21920166

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{4561}}^1$

素因数の和:4661

約数の個数: 32

約数和(自身を含む): 49269600

約数和(自身を除く): 27349434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4561, 4806, 9122, 13683, 27366, 41049, 82098, 123147, 246294, 405929, 811858, 1217787, 2435574, 3653361, 7306722, 10960083, 21920166]

約数ペア:

[(1, 21920166), (2, 10960083), (3, 7306722), (6, 3653361), (9, 2435574), (18, 1217787), (27, 811858), (54, 405929), (89, 246294), (178, 123147), (267, 82098), (534, 41049), (801, 27366), (1602, 13683), (2403, 9122), (4561, 4806)]