21293336

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 40986000

約数和(自身を除く): 19692664

約数列:

[1, 2, 4, 8, 59, 118, 197, 229, 236, 394, 458, 472, 788, 916, 1576, 1832, 11623, 13511, 23246, 27022, 45113, 46492, 54044, 90226, 92984, 108088, 180452, 360904, 2661667, 5323334, 10646668, 21293336]

約数ペア:

[(1, 21293336), (2, 10646668), (4, 5323334), (8, 2661667), (59, 360904), (118, 180452), (197, 108088), (229, 92984), (236, 90226), (394, 54044), (458, 46492), (472, 45113), (788, 27022), (916, 23246), (1576, 13511), (1832, 11623)]