21374284

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{59}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 39813480

約数和(自身を除く): 18439196

約数列:

[1, 2, 4, 41, 47, 59, 82, 94, 118, 164, 188, 236, 1927, 2209, 2419, 2773, 3854, 4418, 4838, 5546, 7708, 8836, 9676, 11092, 90569, 113693, 130331, 181138, 227386, 260662, 362276, 454772, 521324, 5343571, 10687142, 21374284]

約数ペア:

[(1, 21374284), (2, 10687142), (4, 5343571), (41, 521324), (47, 454772), (59, 362276), (82, 260662), (94, 227386), (118, 181138), (164, 130331), (188, 113693), (236, 90569), (1927, 11092), (2209, 9676), (2419, 8836), (2773, 7708), (3854, 5546), (4418, 4838)]