2021149168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6648517}}^1$

素因数の和:6648544

約数の個数: 20

約数和(自身を含む): 4122081160

約数和(自身を除く): 2100931992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6648517, 13297034, 26594068, 53188136, 106376272, 126321823, 252643646, 505287292, 1010574584, 2021149168]

約数ペア:

[(1, 2021149168), (2, 1010574584), (4, 505287292), (8, 252643646), (16, 126321823), (19, 106376272), (38, 53188136), (76, 26594068), (152, 13297034), (304, 6648517)]