21968388

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15647}}^1$

素因数の和:15673

約数の個数: 48

約数和(自身を含む): 61340160

約数和(自身を除く): 39371772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15647, 31294, 46941, 62588, 93882, 140823, 187764, 203411, 281646, 406822, 422469, 563292, 610233, 813644, 844938, 1220466, 1689876, 1830699, 2440932, 3661398, 5492097, 7322796, 10984194, 21968388]

約数ペア:

[(1, 21968388), (2, 10984194), (3, 7322796), (4, 5492097), (6, 3661398), (9, 2440932), (12, 1830699), (13, 1689876), (18, 1220466), (26, 844938), (27, 813644), (36, 610233), (39, 563292), (52, 422469), (54, 406822), (78, 281646), (108, 203411), (117, 187764), (156, 140823), (234, 93882), (351, 62588), (468, 46941), (702, 31294), (1404, 15647)]