21109138

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:714

約数の個数: 24

約数和(自身を含む): 34261200

約数和(自身を除く): 13152062

約数列:

[1, 2, 17, 34, 59, 118, 289, 578, 619, 1003, 1238, 2006, 10523, 17051, 21046, 34102, 36521, 73042, 178891, 357782, 620857, 1241714, 10554569, 21109138]

約数ペア:

[(1, 21109138), (2, 10554569), (17, 1241714), (34, 620857), (59, 357782), (118, 178891), (289, 73042), (578, 36521), (619, 34102), (1003, 21046), (1238, 17051), (2006, 10523)]