21786044

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 47420352

約数和(自身を除く): 25634308

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 476, 518, 629, 1036, 1237, 1258, 2474, 2516, 4403, 4948, 8659, 8806, 17318, 17612, 21029, 34636, 42058, 45769, 84116, 91538, 147203, 183076, 294406, 320383, 588812, 640766, 778073, 1281532, 1556146, 3112292, 5446511, 10893022, 21786044]

約数ペア:

[(1, 21786044), (2, 10893022), (4, 5446511), (7, 3112292), (14, 1556146), (17, 1281532), (28, 778073), (34, 640766), (37, 588812), (68, 320383), (74, 294406), (119, 183076), (148, 147203), (238, 91538), (259, 84116), (476, 45769), (518, 42058), (629, 34636), (1036, 21029), (1237, 17612), (1258, 17318), (2474, 8806), (2516, 8659), (4403, 4948)]