21043758

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23308242

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 138, 218, 327, 654, 1399, 2507, 2798, 4197, 5014, 7521, 8394, 15042, 32177, 64354, 96531, 152491, 193062, 304982, 457473, 914946, 3507293, 7014586, 10521879, 21043758]

約数ペア:

[(1, 21043758), (2, 10521879), (3, 7014586), (6, 3507293), (23, 914946), (46, 457473), (69, 304982), (109, 193062), (138, 152491), (218, 96531), (327, 64354), (654, 32177), (1399, 15042), (2507, 8394), (2798, 7521), (4197, 5014)]