21404766

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 45112320

約数和(自身を除く): 23707554

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 138, 218, 327, 654, 1423, 2507, 2846, 4269, 5014, 7521, 8538, 15042, 32729, 65458, 98187, 155107, 196374, 310214, 465321, 930642, 3567461, 7134922, 10702383, 21404766]

約数ペア:

[(1, 21404766), (2, 10702383), (3, 7134922), (6, 3567461), (23, 930642), (46, 465321), (69, 310214), (109, 196374), (138, 155107), (218, 98187), (327, 65458), (654, 32729), (1423, 15042), (2507, 8538), (2846, 7521), (4269, 5014)]