21304486

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 17218394

約数列:

[1, 2, 7, 14, 23, 46, 109, 161, 218, 322, 607, 763, 1214, 1526, 2507, 4249, 5014, 8498, 13961, 17549, 27922, 35098, 66163, 97727, 132326, 195454, 463141, 926282, 1521749, 3043498, 10652243, 21304486]

約数ペア:

[(1, 21304486), (2, 10652243), (7, 3043498), (14, 1521749), (23, 926282), (46, 463141), (109, 195454), (161, 132326), (218, 97727), (322, 66163), (607, 35098), (763, 27922), (1214, 17549), (1526, 13961), (2507, 8498), (4249, 5014)]