21241324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13177}}^1$

素因数の和:13225

約数の個数: 24

約数和(自身を含む): 41326208

約数和(自身を除く): 20084884

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13177, 26354, 52708, 171301, 342602, 408487, 685204, 816974, 1633948, 5310331, 10620662, 21241324]

約数ペア:

[(1, 21241324), (2, 10620662), (4, 5310331), (13, 1633948), (26, 816974), (31, 685204), (52, 408487), (62, 342602), (124, 171301), (403, 52708), (806, 26354), (1612, 13177)]