2021029220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{8447}}^1$

素因数の和:10172

約数の個数: 48

約数和(自身を含む): 4853882880

約数和(自身を除く): 2832853660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1709, 3418, 6836, 8447, 8545, 11963, 16894, 17090, 23926, 33788, 34180, 42235, 47852, 59129, 59815, 84470, 118258, 119630, 168940, 236516, 239260, 295645, 591290, 1182580, 14435923, 28871846, 57743692, 72179615, 101051461, 144359230, 202102922, 288718460, 404205844, 505257305, 1010514610, 2021029220]

約数ペア:

[(1, 2021029220), (2, 1010514610), (4, 505257305), (5, 404205844), (7, 288718460), (10, 202102922), (14, 144359230), (20, 101051461), (28, 72179615), (35, 57743692), (70, 28871846), (140, 14435923), (1709, 1182580), (3418, 591290), (6836, 295645), (8447, 239260), (8545, 236516), (11963, 168940), (16894, 119630), (17090, 118258), (23926, 84470), (33788, 59815), (34180, 59129), (42235, 47852)]