21329928

素因数分解:

$2^3\times 3^2\times {\mathrm{296249}}^1$

素因数の和:296261

約数の個数: 24

約数和(自身を含む): 57768750

約数和(自身を除く): 36438822

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 296249, 592498, 888747, 1184996, 1777494, 2369992, 2666241, 3554988, 5332482, 7109976, 10664964, 21329928]

約数ペア:

[(1, 21329928), (2, 10664964), (3, 7109976), (4, 5332482), (6, 3554988), (8, 2666241), (9, 2369992), (12, 1777494), (18, 1184996), (24, 888747), (36, 592498), (72, 296249)]