21820348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{809}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 41776560

約数和(自身を除く): 19956212

約数列:

[1, 2, 4, 11, 22, 44, 613, 809, 1226, 1618, 2452, 3236, 6743, 8899, 13486, 17798, 26972, 35596, 495917, 991834, 1983668, 5455087, 10910174, 21820348]

約数ペア:

[(1, 21820348), (2, 10910174), (4, 5455087), (11, 1983668), (22, 991834), (44, 495917), (613, 35596), (809, 26972), (1226, 17798), (1618, 13486), (2452, 8899), (3236, 6743)]