21143672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2477}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 43711920

約数和(自身を除く): 22568248

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2477, 4268, 4954, 8536, 9908, 19816, 27247, 54494, 108988, 217976, 240269, 480538, 961076, 1922152, 2642959, 5285918, 10571836, 21143672]

約数ペア:

[(1, 21143672), (2, 10571836), (4, 5285918), (8, 2642959), (11, 1922152), (22, 961076), (44, 480538), (88, 240269), (97, 217976), (194, 108988), (388, 54494), (776, 27247), (1067, 19816), (2134, 9908), (2477, 8536), (4268, 4954)]