21143486

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5051}}^1$

素因数の和:5096

約数の個数: 32

約数和(自身を含む): 40739328

約数和(自身を除く): 19595842

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5051, 10102, 35357, 65663, 70714, 116173, 131326, 232346, 459641, 813211, 919282, 1510249, 1626422, 3020498, 10571743, 21143486]

約数ペア:

[(1, 21143486), (2, 10571743), (7, 3020498), (13, 1626422), (14, 1510249), (23, 919282), (26, 813211), (46, 459641), (91, 232346), (161, 131326), (182, 116173), (299, 70714), (322, 65663), (598, 35357), (2093, 10102), (4186, 5051)]