21626279

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:346

約数の個数: 16

約数和(自身を含む): 23343552

約数和(自身を除く): 1717273

約数列:

[1, 23, 53, 113, 157, 1219, 2599, 3611, 5989, 8321, 17741, 137747, 191383, 408043, 940273, 21626279]

約数ペア:

[(1, 21626279), (23, 940273), (53, 408043), (113, 191383), (157, 137747), (1219, 17741), (2599, 8321), (3611, 5989)]