21445410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102121}}^1$

素因数の和:102138

約数の個数: 32

約数和(自身を含む): 58822272

約数和(自身を除く): 37376862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102121, 204242, 306363, 510605, 612726, 714847, 1021210, 1429694, 1531815, 2144541, 3063630, 3574235, 4289082, 7148470, 10722705, 21445410]

約数ペア:

[(1, 21445410), (2, 10722705), (3, 7148470), (5, 4289082), (6, 3574235), (7, 3063630), (10, 2144541), (14, 1531815), (15, 1429694), (21, 1021210), (30, 714847), (35, 612726), (42, 510605), (70, 306363), (105, 204242), (210, 102121)]