21246236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7207}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 41172096

約数和(自身を除く): 19925860

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7207, 14414, 28828, 79277, 158554, 317108, 482869, 965738, 1931476, 5311559, 10623118, 21246236]

約数ペア:

[(1, 21246236), (2, 10623118), (4, 5311559), (11, 1931476), (22, 965738), (44, 482869), (67, 317108), (134, 158554), (268, 79277), (737, 28828), (1474, 14414), (2948, 7207)]