21579528

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 57620160

約数和(自身を除く): 36040632

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 227, 233, 408, 454, 466, 681, 699, 908, 932, 1362, 1398, 1816, 1864, 2724, 2796, 3859, 3961, 5448, 5592, 7718, 7922, 11577, 11883, 15436, 15844, 23154, 23766, 30872, 31688, 46308, 47532, 52891, 92616, 95064, 105782, 158673, 211564, 317346, 423128, 634692, 899147, 1269384, 1798294, 2697441, 3596588, 5394882, 7193176, 10789764, 21579528]

約数ペア:

[(1, 21579528), (2, 10789764), (3, 7193176), (4, 5394882), (6, 3596588), (8, 2697441), (12, 1798294), (17, 1269384), (24, 899147), (34, 634692), (51, 423128), (68, 317346), (102, 211564), (136, 158673), (204, 105782), (227, 95064), (233, 92616), (408, 52891), (454, 47532), (466, 46308), (681, 31688), (699, 30872), (908, 23766), (932, 23154), (1362, 15844), (1398, 15436), (1816, 11883), (1864, 11577), (2724, 7922), (2796, 7718), (3859, 5592), (3961, 5448)]