21921588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 61641216

約数和(自身を除く): 39719628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1511, 1612, 2418, 3022, 3627, 4533, 4836, 6044, 7254, 9066, 13599, 14508, 18132, 19643, 27198, 39286, 46841, 54396, 58929, 78572, 93682, 117858, 140523, 176787, 187364, 235716, 281046, 353574, 421569, 562092, 608933, 707148, 843138, 1217866, 1686276, 1826799, 2435732, 3653598, 5480397, 7307196, 10960794, 21921588]

約数ペア:

[(1, 21921588), (2, 10960794), (3, 7307196), (4, 5480397), (6, 3653598), (9, 2435732), (12, 1826799), (13, 1686276), (18, 1217866), (26, 843138), (31, 707148), (36, 608933), (39, 562092), (52, 421569), (62, 353574), (78, 281046), (93, 235716), (117, 187364), (124, 176787), (156, 140523), (186, 117858), (234, 93682), (279, 78572), (372, 58929), (403, 54396), (468, 46841), (558, 39286), (806, 27198), (1116, 19643), (1209, 18132), (1511, 14508), (1612, 13599), (2418, 9066), (3022, 7254), (3627, 6044), (4533, 4836)]