21496461

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 33831168

約数和(自身を除く): 12334707

約数列:

[1, 3, 7, 21, 61, 97, 173, 183, 291, 427, 519, 679, 1211, 1281, 2037, 3633, 5917, 10553, 16781, 17751, 31659, 41419, 50343, 73871, 117467, 124257, 221613, 352401, 1023641, 3070923, 7165487, 21496461]

約数ペア:

[(1, 21496461), (3, 7165487), (7, 3070923), (21, 1023641), (61, 352401), (97, 221613), (173, 124257), (183, 117467), (291, 73871), (427, 50343), (519, 41419), (679, 31659), (1211, 17751), (1281, 16781), (2037, 10553), (3633, 5917)]