21700668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 55964160

約数和(自身を除く): 34263492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 237, 316, 474, 869, 948, 1738, 2081, 2607, 3476, 4162, 5214, 6243, 8324, 10428, 12486, 22891, 24972, 45782, 68673, 91564, 137346, 164399, 274692, 328798, 493197, 657596, 986394, 1808389, 1972788, 3616778, 5425167, 7233556, 10850334, 21700668]

約数ペア:

[(1, 21700668), (2, 10850334), (3, 7233556), (4, 5425167), (6, 3616778), (11, 1972788), (12, 1808389), (22, 986394), (33, 657596), (44, 493197), (66, 328798), (79, 274692), (132, 164399), (158, 137346), (237, 91564), (316, 68673), (474, 45782), (869, 24972), (948, 22891), (1738, 12486), (2081, 10428), (2607, 8324), (3476, 6243), (4162, 5214)]