21445874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{1019}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 34149600

約数和(自身を除く): 12703726

約数列:

[1, 2, 17, 34, 619, 1019, 1238, 2038, 10523, 17323, 21046, 34646, 630761, 1261522, 10722937, 21445874]

約数ペア:

[(1, 21445874), (2, 10722937), (17, 1261522), (34, 630761), (619, 34646), (1019, 21046), (1238, 17323), (2038, 10523)]