21758932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 21706028

約数列:

[1, 2, 4, 13, 26, 29, 47, 52, 58, 94, 116, 188, 307, 377, 611, 614, 754, 1222, 1228, 1363, 1508, 2444, 2726, 3991, 5452, 7982, 8903, 14429, 15964, 17719, 17806, 28858, 35438, 35612, 57716, 70876, 115739, 187577, 231478, 375154, 418441, 462956, 750308, 836882, 1673764, 5439733, 10879466, 21758932]

約数ペア:

[(1, 21758932), (2, 10879466), (4, 5439733), (13, 1673764), (26, 836882), (29, 750308), (47, 462956), (52, 418441), (58, 375154), (94, 231478), (116, 187577), (188, 115739), (307, 70876), (377, 57716), (611, 35612), (614, 35438), (754, 28858), (1222, 17806), (1228, 17719), (1363, 15964), (1508, 14429), (2444, 8903), (2726, 7982), (3991, 5452)]