21213406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6883}}^1$

素因数の和:6975

約数の個数: 16

約数和(自身を含む): 33704064

約数和(自身を除く): 12490658

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6883, 13766, 158309, 316618, 461161, 922322, 10606703, 21213406]

約数ペア:

[(1, 21213406), (2, 10606703), (23, 922322), (46, 461161), (67, 316618), (134, 158309), (1541, 13766), (3082, 6883)]