2164428

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{409}}^1$

素因数の和:436

約数の個数: 72

約数和(自身を含む): 6543600

約数和(自身を除く): 4379172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 409, 441, 588, 756, 818, 882, 1227, 1323, 1636, 1764, 2454, 2646, 2863, 3681, 4908, 5292, 5726, 7362, 8589, 11043, 11452, 14724, 17178, 20041, 22086, 25767, 34356, 40082, 44172, 51534, 60123, 77301, 80164, 103068, 120246, 154602, 180369, 240492, 309204, 360738, 541107, 721476, 1082214, 2164428]

約数ペア:

[(1, 2164428), (2, 1082214), (3, 721476), (4, 541107), (6, 360738), (7, 309204), (9, 240492), (12, 180369), (14, 154602), (18, 120246), (21, 103068), (27, 80164), (28, 77301), (36, 60123), (42, 51534), (49, 44172), (54, 40082), (63, 34356), (84, 25767), (98, 22086), (108, 20041), (126, 17178), (147, 14724), (189, 11452), (196, 11043), (252, 8589), (294, 7362), (378, 5726), (409, 5292), (441, 4908), (588, 3681), (756, 2863), (818, 2646), (882, 2454), (1227, 1764), (1323, 1636)]