21829236

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12721}}^1$

素因数の和:12752

約数の個数: 48

約数和(自身を含む): 59844288

約数和(自身を除く): 38015052

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12721, 25442, 38163, 50884, 76326, 139931, 152652, 165373, 279862, 330746, 419793, 496119, 559724, 661492, 839586, 992238, 1679172, 1819103, 1984476, 3638206, 5457309, 7276412, 10914618, 21829236]

約数ペア:

[(1, 21829236), (2, 10914618), (3, 7276412), (4, 5457309), (6, 3638206), (11, 1984476), (12, 1819103), (13, 1679172), (22, 992238), (26, 839586), (33, 661492), (39, 559724), (44, 496119), (52, 419793), (66, 330746), (78, 279862), (132, 165373), (143, 152652), (156, 139931), (286, 76326), (429, 50884), (572, 38163), (858, 25442), (1716, 12721)]