21487566

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{155707}}^1$

素因数の和:155735

約数の個数: 16

約数和(自身を含む): 44843904

約数和(自身を除く): 23356338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 155707, 311414, 467121, 934242, 3581261, 7162522, 10743783, 21487566]

約数ペア:

[(1, 21487566), (2, 10743783), (3, 7162522), (6, 3581261), (23, 934242), (46, 467121), (69, 311414), (138, 155707)]