21448544

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 25036384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1097, 1222, 1504, 2194, 2444, 4388, 4888, 8776, 9776, 14261, 17552, 19552, 28522, 35104, 51559, 57044, 103118, 114088, 206236, 228176, 412472, 456352, 670267, 824944, 1340534, 1649888, 2681068, 5362136, 10724272, 21448544]

約数ペア:

[(1, 21448544), (2, 10724272), (4, 5362136), (8, 2681068), (13, 1649888), (16, 1340534), (26, 824944), (32, 670267), (47, 456352), (52, 412472), (94, 228176), (104, 206236), (188, 114088), (208, 103118), (376, 57044), (416, 51559), (611, 35104), (752, 28522), (1097, 19552), (1222, 17552), (1504, 14261), (2194, 9776), (2444, 8776), (4388, 4888)]