21718404

素因数分解:

$2^2\times 3^2\times {\mathrm{463}}^1\times {\mathrm{1303}}^1$

素因数の和:1776

約数の個数: 36

約数和(自身を含む): 55060096

約数和(自身を除く): 33341692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 463, 926, 1303, 1389, 1852, 2606, 2778, 3909, 4167, 5212, 5556, 7818, 8334, 11727, 15636, 16668, 23454, 46908, 603289, 1206578, 1809867, 2413156, 3619734, 5429601, 7239468, 10859202, 21718404]

約数ペア:

[(1, 21718404), (2, 10859202), (3, 7239468), (4, 5429601), (6, 3619734), (9, 2413156), (12, 1809867), (18, 1206578), (36, 603289), (463, 46908), (926, 23454), (1303, 16668), (1389, 15636), (1852, 11727), (2606, 8334), (2778, 7818), (3909, 5556), (4167, 5212)]