21530702

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 13396498

約数列:

[1, 2, 29, 43, 58, 86, 89, 97, 178, 194, 1247, 2494, 2581, 2813, 3827, 4171, 5162, 5626, 7654, 8342, 8633, 17266, 110983, 120959, 221966, 241918, 250357, 371219, 500714, 742438, 10765351, 21530702]

約数ペア:

[(1, 21530702), (2, 10765351), (29, 742438), (43, 500714), (58, 371219), (86, 250357), (89, 241918), (97, 221966), (178, 120959), (194, 110983), (1247, 17266), (2494, 8633), (2581, 8342), (2813, 7654), (3827, 5626), (4171, 5162)]