21448248

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34435272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 71, 82, 123, 142, 164, 213, 246, 284, 307, 328, 426, 492, 568, 614, 852, 921, 984, 1228, 1704, 1842, 2456, 2911, 3684, 5822, 7368, 8733, 11644, 12587, 17466, 21797, 23288, 25174, 34932, 37761, 43594, 50348, 65391, 69864, 75522, 87188, 100696, 130782, 151044, 174376, 261564, 302088, 523128, 893677, 1787354, 2681031, 3574708, 5362062, 7149416, 10724124, 21448248]

約数ペア:

[(1, 21448248), (2, 10724124), (3, 7149416), (4, 5362062), (6, 3574708), (8, 2681031), (12, 1787354), (24, 893677), (41, 523128), (71, 302088), (82, 261564), (123, 174376), (142, 151044), (164, 130782), (213, 100696), (246, 87188), (284, 75522), (307, 69864), (328, 65391), (426, 50348), (492, 43594), (568, 37761), (614, 34932), (852, 25174), (921, 23288), (984, 21797), (1228, 17466), (1704, 12587), (1842, 11644), (2456, 8733), (2911, 7368), (3684, 5822)]