21532945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1163}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 30897216

約数和(自身を除く): 9364271

約数列:

[1, 5, 7, 23, 35, 115, 161, 529, 805, 1163, 2645, 3703, 5815, 8141, 18515, 26749, 40705, 133745, 187243, 615227, 936215, 3076135, 4306589, 21532945]

約数ペア:

[(1, 21532945), (5, 4306589), (7, 3076135), (23, 936215), (35, 615227), (115, 187243), (161, 133745), (529, 40705), (805, 26749), (1163, 18515), (2645, 8141), (3703, 5815)]