21198348

素因数分解:

$2^2\times 3^5\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 56351568

約数和(自身を除く): 35153220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 113, 162, 193, 226, 243, 324, 339, 386, 452, 486, 579, 678, 772, 972, 1017, 1158, 1356, 1737, 2034, 2316, 3051, 3474, 4068, 5211, 6102, 6948, 9153, 10422, 12204, 15633, 18306, 20844, 21809, 27459, 31266, 36612, 43618, 46899, 54918, 62532, 65427, 87236, 93798, 109836, 130854, 187596, 196281, 261708, 392562, 588843, 785124, 1177686, 1766529, 2355372, 3533058, 5299587, 7066116, 10599174, 21198348]

約数ペア:

[(1, 21198348), (2, 10599174), (3, 7066116), (4, 5299587), (6, 3533058), (9, 2355372), (12, 1766529), (18, 1177686), (27, 785124), (36, 588843), (54, 392562), (81, 261708), (108, 196281), (113, 187596), (162, 130854), (193, 109836), (226, 93798), (243, 87236), (324, 65427), (339, 62532), (386, 54918), (452, 46899), (486, 43618), (579, 36612), (678, 31266), (772, 27459), (972, 21809), (1017, 20844), (1158, 18306), (1356, 15633), (1737, 12204), (2034, 10422), (2316, 9153), (3051, 6948), (3474, 6102), (4068, 5211)]