21263214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2017}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 48819456

約数和(自身を除く): 27556242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 251, 502, 753, 1506, 1757, 2017, 3514, 4034, 5271, 6051, 10542, 12102, 14119, 28238, 42357, 84714, 506267, 1012534, 1518801, 3037602, 3543869, 7087738, 10631607, 21263214]

約数ペア:

[(1, 21263214), (2, 10631607), (3, 7087738), (6, 3543869), (7, 3037602), (14, 1518801), (21, 1012534), (42, 506267), (251, 84714), (502, 42357), (753, 28238), (1506, 14119), (1757, 12102), (2017, 10542), (3514, 6051), (4034, 5271)]