21474964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 23885036

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 499, 742, 812, 998, 1484, 1537, 1996, 3074, 3493, 6148, 6986, 10759, 13972, 14471, 21518, 26447, 28942, 43036, 52894, 57884, 101297, 105788, 185129, 202594, 370258, 405188, 740516, 766963, 1533926, 3067852, 5368741, 10737482, 21474964]

約数ペア:

[(1, 21474964), (2, 10737482), (4, 5368741), (7, 3067852), (14, 1533926), (28, 766963), (29, 740516), (53, 405188), (58, 370258), (106, 202594), (116, 185129), (203, 105788), (212, 101297), (371, 57884), (406, 52894), (499, 43036), (742, 28942), (812, 26447), (998, 21518), (1484, 14471), (1537, 13972), (1996, 10759), (3074, 6986), (3493, 6148)]