21265992

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2441}}^1$

素因数の和:2475

約数の個数: 72

約数和(自身を含む): 63333270

約数和(自身を除く): 42067278

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2441, 2904, 4356, 4882, 7323, 8712, 9764, 14646, 19528, 21969, 26851, 29292, 43938, 53702, 58584, 80553, 87876, 107404, 161106, 175752, 214808, 241659, 295361, 322212, 483318, 590722, 644424, 886083, 966636, 1181444, 1772166, 1933272, 2362888, 2658249, 3544332, 5316498, 7088664, 10632996, 21265992]

約数ペア:

[(1, 21265992), (2, 10632996), (3, 7088664), (4, 5316498), (6, 3544332), (8, 2658249), (9, 2362888), (11, 1933272), (12, 1772166), (18, 1181444), (22, 966636), (24, 886083), (33, 644424), (36, 590722), (44, 483318), (66, 322212), (72, 295361), (88, 241659), (99, 214808), (121, 175752), (132, 161106), (198, 107404), (242, 87876), (264, 80553), (363, 58584), (396, 53702), (484, 43938), (726, 29292), (792, 26851), (968, 21969), (1089, 19528), (1452, 14646), (2178, 9764), (2441, 8712), (2904, 7323), (4356, 4882)]