21231337990

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1\times {\mathrm{33911}}^1$

素因数の和:34512

約数の個数: 32

約数和(自身を含む): 38580732864

約数和(自身を除く): 17349394874

約数列:

[1, 2, 5, 10, 137, 274, 457, 685, 914, 1370, 2285, 4570, 33911, 62609, 67822, 125218, 169555, 313045, 339110, 626090, 4645807, 9291614, 15497327, 23229035, 30994654, 46458070, 77486635, 154973270, 2123133799, 4246267598, 10615668995, 21231337990]

約数ペア:

[(1, 21231337990), (2, 10615668995), (5, 4246267598), (10, 2123133799), (137, 154973270), (274, 77486635), (457, 46458070), (685, 30994654), (914, 23229035), (1370, 15497327), (2285, 9291614), (4570, 4645807), (33911, 626090), (62609, 339110), (67822, 313045), (125218, 169555)]