21052136

素因数分解:

$2^3\times 7^1\times {\mathrm{375931}}^1$

素因数の和:375944

約数の個数: 16

約数和(自身を含む): 45111840

約数和(自身を除く): 24059704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375931, 751862, 1503724, 2631517, 3007448, 5263034, 10526068, 21052136]

約数ペア:

[(1, 21052136), (2, 10526068), (4, 5263034), (7, 3007448), (8, 2631517), (14, 1503724), (28, 751862), (56, 375931)]