21400524

素因数分解:

$2^2\times 3^6\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 84

約数和(自身を含む): 57841560

約数和(自身を除く): 36441036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 179, 243, 246, 324, 358, 369, 486, 492, 537, 716, 729, 738, 972, 1074, 1107, 1458, 1476, 1611, 2148, 2214, 2916, 3222, 3321, 4428, 4833, 6444, 6642, 7339, 9666, 9963, 13284, 14499, 14678, 19332, 19926, 22017, 28998, 29356, 29889, 39852, 43497, 44034, 57996, 59778, 66051, 86994, 88068, 119556, 130491, 132102, 173988, 198153, 260982, 264204, 396306, 521964, 594459, 792612, 1188918, 1783377, 2377836, 3566754, 5350131, 7133508, 10700262, 21400524]

約数ペア:

[(1, 21400524), (2, 10700262), (3, 7133508), (4, 5350131), (6, 3566754), (9, 2377836), (12, 1783377), (18, 1188918), (27, 792612), (36, 594459), (41, 521964), (54, 396306), (81, 264204), (82, 260982), (108, 198153), (123, 173988), (162, 132102), (164, 130491), (179, 119556), (243, 88068), (246, 86994), (324, 66051), (358, 59778), (369, 57996), (486, 44034), (492, 43497), (537, 39852), (716, 29889), (729, 29356), (738, 28998), (972, 22017), (1074, 19926), (1107, 19332), (1458, 14678), (1476, 14499), (1611, 13284), (2148, 9963), (2214, 9666), (2916, 7339), (3222, 6642), (3321, 6444), (4428, 4833)]