21872608

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 47101824

約数和(自身を除く): 25229216

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1297, 2108, 2594, 4216, 5188, 8432, 10376, 16864, 20752, 22049, 40207, 41504, 44098, 80414, 88196, 160828, 176392, 321656, 352784, 643312, 683519, 705568, 1286624, 1367038, 2734076, 5468152, 10936304, 21872608]

約数ペア:

[(1, 21872608), (2, 10936304), (4, 5468152), (8, 2734076), (16, 1367038), (17, 1286624), (31, 705568), (32, 683519), (34, 643312), (62, 352784), (68, 321656), (124, 176392), (136, 160828), (248, 88196), (272, 80414), (496, 44098), (527, 41504), (544, 40207), (992, 22049), (1054, 20752), (1297, 16864), (2108, 10376), (2594, 8432), (4216, 5188)]