21447404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 44253216

約数和(自身を除く): 22805812

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 53, 68, 106, 187, 212, 374, 541, 583, 748, 901, 1082, 1166, 1802, 2164, 2332, 3604, 5951, 9197, 9911, 11902, 18394, 19822, 23804, 28673, 36788, 39644, 57346, 101167, 114692, 202334, 315403, 404668, 487441, 630806, 974882, 1261612, 1949764, 5361851, 10723702, 21447404]

約数ペア:

[(1, 21447404), (2, 10723702), (4, 5361851), (11, 1949764), (17, 1261612), (22, 974882), (34, 630806), (44, 487441), (53, 404668), (68, 315403), (106, 202334), (187, 114692), (212, 101167), (374, 57346), (541, 39644), (583, 36788), (748, 28673), (901, 23804), (1082, 19822), (1166, 18394), (1802, 11902), (2164, 9911), (2332, 9197), (3604, 5951)]