2021302675

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71741}}^1$

素因数の和:71788

約数の個数: 36

約数和(自身を含む): 3042434736

約数和(自身を除く): 1021132061

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 4025, 5635, 28175, 71741, 358705, 502187, 1650043, 1793525, 2510935, 3515309, 8250215, 11550301, 12554675, 17576545, 41251075, 57751505, 80852107, 87882725, 288757525, 404260535, 2021302675]

約数ペア:

[(1, 2021302675), (5, 404260535), (7, 288757525), (23, 87882725), (25, 80852107), (35, 57751505), (49, 41251075), (115, 17576545), (161, 12554675), (175, 11550301), (245, 8250215), (575, 3515309), (805, 2510935), (1127, 1793525), (1225, 1650043), (4025, 502187), (5635, 358705), (28175, 71741)]