21011316

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^2\times {\mathrm{503}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 49970592

約数和(自身を除く): 28959276

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 503, 708, 1006, 1509, 2012, 3018, 3481, 6036, 6962, 10443, 13924, 20886, 29677, 41772, 59354, 89031, 118708, 178062, 356124, 1750943, 3501886, 5252829, 7003772, 10505658, 21011316]

約数ペア:

[(1, 21011316), (2, 10505658), (3, 7003772), (4, 5252829), (6, 3501886), (12, 1750943), (59, 356124), (118, 178062), (177, 118708), (236, 89031), (354, 59354), (503, 41772), (708, 29677), (1006, 20886), (1509, 13924), (2012, 10443), (3018, 6962), (3481, 6036)]