21931244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 42268800

約数和(自身を除く): 20337556

約数列:

[1, 2, 4, 19, 38, 59, 67, 73, 76, 118, 134, 146, 236, 268, 292, 1121, 1273, 1387, 2242, 2546, 2774, 3953, 4307, 4484, 4891, 5092, 5548, 7906, 8614, 9782, 15812, 17228, 19564, 75107, 81833, 92929, 150214, 163666, 185858, 288569, 300428, 327332, 371716, 577138, 1154276, 5482811, 10965622, 21931244]

約数ペア:

[(1, 21931244), (2, 10965622), (4, 5482811), (19, 1154276), (38, 577138), (59, 371716), (67, 327332), (73, 300428), (76, 288569), (118, 185858), (134, 163666), (146, 150214), (236, 92929), (268, 81833), (292, 75107), (1121, 19564), (1273, 17228), (1387, 15812), (2242, 9782), (2546, 8614), (2774, 7906), (3953, 5548), (4307, 5092), (4484, 4891)]