21437612

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 25555348

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 406, 476, 493, 812, 986, 1553, 1972, 3106, 3451, 6212, 6902, 10871, 13804, 21742, 26401, 43484, 45037, 52802, 90074, 105604, 180148, 184807, 315259, 369614, 630518, 739228, 765629, 1261036, 1531258, 3062516, 5359403, 10718806, 21437612]

約数ペア:

[(1, 21437612), (2, 10718806), (4, 5359403), (7, 3062516), (14, 1531258), (17, 1261036), (28, 765629), (29, 739228), (34, 630518), (58, 369614), (68, 315259), (116, 184807), (119, 180148), (203, 105604), (238, 90074), (406, 52802), (476, 45037), (493, 43484), (812, 26401), (986, 21742), (1553, 13804), (1972, 10871), (3106, 6902), (3451, 6212)]