21851551172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2281}}^1\times {\mathrm{19793}}^1$

素因数の和:22100

約数の個数: 36

約数和(自身を含む): 42053184348

約数和(自身を除く): 20201633176

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2281, 4562, 9124, 19793, 25091, 39586, 50182, 79172, 100364, 217723, 276001, 435446, 552002, 870892, 1104004, 2394953, 4789906, 9579812, 45147833, 90295666, 180591332, 496626163, 993252326, 1986504652, 5462887793, 10925775586, 21851551172]

約数ペア:

[(1, 21851551172), (2, 10925775586), (4, 5462887793), (11, 1986504652), (22, 993252326), (44, 496626163), (121, 180591332), (242, 90295666), (484, 45147833), (2281, 9579812), (4562, 4789906), (9124, 2394953), (19793, 1104004), (25091, 870892), (39586, 552002), (50182, 435446), (79172, 276001), (100364, 217723)]