21308922

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28224198

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 83, 102, 153, 166, 249, 306, 498, 747, 839, 1411, 1494, 1678, 2517, 2822, 4233, 5034, 7551, 8466, 12699, 14263, 15102, 25398, 28526, 42789, 69637, 85578, 128367, 139274, 208911, 256734, 417822, 626733, 1183829, 1253466, 2367658, 3551487, 7102974, 10654461, 21308922]

約数ペア:

[(1, 21308922), (2, 10654461), (3, 7102974), (6, 3551487), (9, 2367658), (17, 1253466), (18, 1183829), (34, 626733), (51, 417822), (83, 256734), (102, 208911), (153, 139274), (166, 128367), (249, 85578), (306, 69637), (498, 42789), (747, 28526), (839, 25398), (1411, 15102), (1494, 14263), (1678, 12699), (2517, 8466), (2822, 7551), (4233, 5034)]