12138420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28901}}^1$

素因数の和:28920

約数の個数: 48

約数和(自身を含む): 38844288

約数和(自身を除く): 26705868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 28901, 57802, 86703, 115604, 144505, 173406, 202307, 289010, 346812, 404614, 433515, 578020, 606921, 809228, 867030, 1011535, 1213842, 1734060, 2023070, 2427684, 3034605, 4046140, 6069210, 12138420]

約数ペア:

[(1, 12138420), (2, 6069210), (3, 4046140), (4, 3034605), (5, 2427684), (6, 2023070), (7, 1734060), (10, 1213842), (12, 1011535), (14, 867030), (15, 809228), (20, 606921), (21, 578020), (28, 433515), (30, 404614), (35, 346812), (42, 289010), (60, 202307), (70, 173406), (84, 144505), (105, 115604), (140, 86703), (210, 57802), (420, 28901)]