21183388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3491}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 39012624

約数和(自身を除く): 17829236

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 1517, 3034, 3491, 6068, 6982, 13964, 129167, 143131, 258334, 286262, 516668, 572524, 5295847, 10591694, 21183388]

約数ペア:

[(1, 21183388), (2, 10591694), (4, 5295847), (37, 572524), (41, 516668), (74, 286262), (82, 258334), (148, 143131), (164, 129167), (1517, 13964), (3034, 6982), (3491, 6068)]