21360704

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:735

約数の個数: 56

約数和(自身を含む): 46497240

約数和(自身を除く): 25136536

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 136, 232, 272, 464, 493, 544, 677, 928, 986, 1088, 1354, 1856, 1972, 2708, 3944, 5416, 7888, 10832, 11509, 15776, 19633, 21664, 23018, 31552, 39266, 43328, 46036, 78532, 92072, 157064, 184144, 314128, 333761, 368288, 628256, 667522, 736576, 1256512, 1335044, 2670088, 5340176, 10680352, 21360704]

約数ペア:

[(1, 21360704), (2, 10680352), (4, 5340176), (8, 2670088), (16, 1335044), (17, 1256512), (29, 736576), (32, 667522), (34, 628256), (58, 368288), (64, 333761), (68, 314128), (116, 184144), (136, 157064), (232, 92072), (272, 78532), (464, 46036), (493, 43328), (544, 39266), (677, 31552), (928, 23018), (986, 21664), (1088, 19633), (1354, 15776), (1856, 11509), (1972, 10832), (2708, 7888), (3944, 5416)]