21435386

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19381}}^1$

素因数の和:19469

約数の個数: 16

約数和(自身を含む): 37213440

約数和(自身を除く): 15778054

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19381, 38762, 135667, 271334, 1531099, 3062198, 10717693, 21435386]

約数ペア:

[(1, 21435386), (2, 10717693), (7, 3062198), (14, 1531099), (79, 271334), (158, 135667), (553, 38762), (1106, 19381)]