21418638

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 44044800

約数和(自身を除く): 22626162

約数列:

[1, 2, 3, 6, 73, 79, 146, 158, 219, 237, 438, 474, 619, 1238, 1857, 3714, 5767, 11534, 17301, 34602, 45187, 48901, 90374, 97802, 135561, 146703, 271122, 293406, 3569773, 7139546, 10709319, 21418638]

約数ペア:

[(1, 21418638), (2, 10709319), (3, 7139546), (6, 3569773), (73, 293406), (79, 271122), (146, 146703), (158, 135561), (219, 97802), (237, 90374), (438, 48901), (474, 45187), (619, 34602), (1238, 17301), (1857, 11534), (3714, 5767)]