21859131

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 13235397

約数列:

[1, 3, 7, 21, 23, 69, 161, 167, 271, 483, 501, 813, 1169, 1897, 3507, 3841, 5691, 6233, 11523, 18699, 26887, 43631, 45257, 80661, 130893, 135771, 316799, 950397, 1040911, 3122733, 7286377, 21859131]

約数ペア:

[(1, 21859131), (3, 7286377), (7, 3122733), (21, 1040911), (23, 950397), (69, 316799), (161, 135771), (167, 130893), (271, 80661), (483, 45257), (501, 43631), (813, 26887), (1169, 18699), (1897, 11523), (3507, 6233), (3841, 5691)]