21019896

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10067}}^1$

素因数の和:10108

約数の個数: 48

約数和(自身を含む): 58897800

約数和(自身を除く): 37877904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10067, 20134, 30201, 40268, 60402, 80536, 90603, 120804, 181206, 241608, 291943, 362412, 583886, 724824, 875829, 1167772, 1751658, 2335544, 2627487, 3503316, 5254974, 7006632, 10509948, 21019896]

約数ペア:

[(1, 21019896), (2, 10509948), (3, 7006632), (4, 5254974), (6, 3503316), (8, 2627487), (9, 2335544), (12, 1751658), (18, 1167772), (24, 875829), (29, 724824), (36, 583886), (58, 362412), (72, 291943), (87, 241608), (116, 181206), (174, 120804), (232, 90603), (261, 80536), (348, 60402), (522, 40268), (696, 30201), (1044, 20134), (2088, 10067)]