21022128

素因数分解:

$2^4\times 3^2\times {\mathrm{145987}}^1$

素因数の和:146001

約数の個数: 30

約数和(自身を含む): 58833164

約数和(自身を除く): 37811036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145987, 291974, 437961, 583948, 875922, 1167896, 1313883, 1751844, 2335792, 2627766, 3503688, 5255532, 7007376, 10511064, 21022128]

約数ペア:

[(1, 21022128), (2, 10511064), (3, 7007376), (4, 5255532), (6, 3503688), (8, 2627766), (9, 2335792), (12, 1751844), (16, 1313883), (18, 1167896), (24, 875922), (36, 583948), (48, 437961), (72, 291974), (144, 145987)]