21846880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12413}}^1$

素因数の和:12439

約数の個数: 48

約数和(自身を含む): 56309904

約数和(自身を除く): 34463024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12413, 24826, 49652, 62065, 99304, 124130, 136543, 198608, 248260, 273086, 397216, 496520, 546172, 682715, 993040, 1092344, 1365430, 1986080, 2184688, 2730860, 4369376, 5461720, 10923440, 21846880]

約数ペア:

[(1, 21846880), (2, 10923440), (4, 5461720), (5, 4369376), (8, 2730860), (10, 2184688), (11, 1986080), (16, 1365430), (20, 1092344), (22, 993040), (32, 682715), (40, 546172), (44, 496520), (55, 397216), (80, 273086), (88, 248260), (110, 198608), (160, 136543), (176, 124130), (220, 99304), (352, 62065), (440, 49652), (880, 24826), (1760, 12413)]