21277278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2681

約数の個数: 48

約数和(自身を含む): 51538032

約数和(自身を除く): 30260754

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 82, 99, 123, 198, 246, 369, 451, 738, 902, 1353, 2621, 2706, 4059, 5242, 7863, 8118, 15726, 23589, 28831, 47178, 57662, 86493, 107461, 172986, 214922, 259479, 322383, 518958, 644766, 967149, 1182071, 1934298, 2364142, 3546213, 7092426, 10638639, 21277278]

約数ペア:

[(1, 21277278), (2, 10638639), (3, 7092426), (6, 3546213), (9, 2364142), (11, 1934298), (18, 1182071), (22, 967149), (33, 644766), (41, 518958), (66, 322383), (82, 259479), (99, 214922), (123, 172986), (198, 107461), (246, 86493), (369, 57662), (451, 47178), (738, 28831), (902, 23589), (1353, 15726), (2621, 8118), (2706, 7863), (4059, 5242)]