21991552

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15619}}^1$

素因数の和:15644

約数の個数: 32

約数和(自身を含む): 47797200

約数和(自身を除く): 25805648

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15619, 31238, 62476, 124952, 171809, 249904, 343618, 499808, 687236, 999616, 1374472, 1999232, 2748944, 5497888, 10995776, 21991552]

約数ペア:

[(1, 21991552), (2, 10995776), (4, 5497888), (8, 2748944), (11, 1999232), (16, 1374472), (22, 999616), (32, 687236), (44, 499808), (64, 343618), (88, 249904), (128, 171809), (176, 124952), (352, 62476), (704, 31238), (1408, 15619)]