21052352

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 56

約数和(自身を含む): 43781472

約数和(自身を除く): 22729120

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 71, 82, 113, 142, 164, 226, 284, 328, 452, 568, 656, 904, 1136, 1312, 1808, 2272, 2624, 2911, 3616, 4544, 4633, 5822, 7232, 8023, 9266, 11644, 16046, 18532, 23288, 32092, 37064, 46576, 64184, 74128, 93152, 128368, 148256, 186304, 256736, 296512, 328943, 513472, 657886, 1315772, 2631544, 5263088, 10526176, 21052352]

約数ペア:

[(1, 21052352), (2, 10526176), (4, 5263088), (8, 2631544), (16, 1315772), (32, 657886), (41, 513472), (64, 328943), (71, 296512), (82, 256736), (113, 186304), (142, 148256), (164, 128368), (226, 93152), (284, 74128), (328, 64184), (452, 46576), (568, 37064), (656, 32092), (904, 23288), (1136, 18532), (1312, 16046), (1808, 11644), (2272, 9266), (2624, 8023), (2911, 7232), (3616, 5822), (4544, 4633)]