21131130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10513}}^1$

素因数の和:10590

約数の個数: 32

約数和(自身を含む): 51476544

約数和(自身を除く): 30345414

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10513, 21026, 31539, 52565, 63078, 105130, 157695, 315390, 704371, 1408742, 2113113, 3521855, 4226226, 7043710, 10565565, 21131130]

約数ペア:

[(1, 21131130), (2, 10565565), (3, 7043710), (5, 4226226), (6, 3521855), (10, 2113113), (15, 1408742), (30, 704371), (67, 315390), (134, 157695), (201, 105130), (335, 63078), (402, 52565), (670, 31539), (1005, 21026), (2010, 10513)]