21973252

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 45803520

約数和(自身を除く): 23830268

約数列:

[1, 2, 4, 7, 14, 28, 47, 59, 94, 118, 188, 236, 283, 329, 413, 566, 658, 826, 1132, 1316, 1652, 1981, 2773, 3962, 5546, 7924, 11092, 13301, 16697, 19411, 26602, 33394, 38822, 53204, 66788, 77644, 93107, 116879, 186214, 233758, 372428, 467516, 784759, 1569518, 3139036, 5493313, 10986626, 21973252]

約数ペア:

[(1, 21973252), (2, 10986626), (4, 5493313), (7, 3139036), (14, 1569518), (28, 784759), (47, 467516), (59, 372428), (94, 233758), (118, 186214), (188, 116879), (236, 93107), (283, 77644), (329, 66788), (413, 53204), (566, 38822), (658, 33394), (826, 26602), (1132, 19411), (1316, 16697), (1652, 13301), (1981, 11092), (2773, 7924), (3962, 5546)]