12921904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47507}}^1$

素因数の和:47532

約数の個数: 20

約数和(自身を含む): 26509464

約数和(自身を除く): 13587560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 47507, 95014, 190028, 380056, 760112, 807619, 1615238, 3230476, 6460952, 12921904]

約数ペア:

[(1, 12921904), (2, 6460952), (4, 3230476), (8, 1615238), (16, 807619), (17, 760112), (34, 380056), (68, 190028), (136, 95014), (272, 47507)]