21598128

素因数分解:

$2^4\times 3^2\times {\mathrm{127}}^1\times {\mathrm{1181}}^1$

素因数の和:1322

約数の個数: 60

約数和(自身を含む): 60972288

約数和(自身を除く): 39374160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 127, 144, 254, 381, 508, 762, 1016, 1143, 1181, 1524, 2032, 2286, 2362, 3048, 3543, 4572, 4724, 6096, 7086, 9144, 9448, 10629, 14172, 18288, 18896, 21258, 28344, 42516, 56688, 85032, 149987, 170064, 299974, 449961, 599948, 899922, 1199896, 1349883, 1799844, 2399792, 2699766, 3599688, 5399532, 7199376, 10799064, 21598128]

約数ペア:

[(1, 21598128), (2, 10799064), (3, 7199376), (4, 5399532), (6, 3599688), (8, 2699766), (9, 2399792), (12, 1799844), (16, 1349883), (18, 1199896), (24, 899922), (36, 599948), (48, 449961), (72, 299974), (127, 170064), (144, 149987), (254, 85032), (381, 56688), (508, 42516), (762, 28344), (1016, 21258), (1143, 18896), (1181, 18288), (1524, 14172), (2032, 10629), (2286, 9448), (2362, 9144), (3048, 7086), (3543, 6096), (4572, 4724)]