21198834

素因数分解:

$2^1\times 3^5\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 48589632

約数和(自身を除く): 27390798

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 243, 318, 477, 486, 823, 954, 1431, 1646, 2469, 2862, 4293, 4938, 7407, 8586, 12879, 14814, 22221, 25758, 43619, 44442, 66663, 87238, 130857, 133326, 199989, 261714, 392571, 399978, 785142, 1177713, 2355426, 3533139, 7066278, 10599417, 21198834]

約数ペア:

[(1, 21198834), (2, 10599417), (3, 7066278), (6, 3533139), (9, 2355426), (18, 1177713), (27, 785142), (53, 399978), (54, 392571), (81, 261714), (106, 199989), (159, 133326), (162, 130857), (243, 87238), (318, 66663), (477, 44442), (486, 43619), (823, 25758), (954, 22221), (1431, 14814), (1646, 12879), (2469, 8586), (2862, 7407), (4293, 4938)]