21830432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 46848312

約数和(自身を除く): 25017880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 541, 776, 1082, 1261, 1552, 2164, 2522, 3104, 4328, 5044, 7033, 8656, 10088, 14066, 17312, 20176, 28132, 40352, 52477, 56264, 104954, 112528, 209908, 225056, 419816, 682201, 839632, 1364402, 1679264, 2728804, 5457608, 10915216, 21830432]

約数ペア:

[(1, 21830432), (2, 10915216), (4, 5457608), (8, 2728804), (13, 1679264), (16, 1364402), (26, 839632), (32, 682201), (52, 419816), (97, 225056), (104, 209908), (194, 112528), (208, 104954), (388, 56264), (416, 52477), (541, 40352), (776, 28132), (1082, 20176), (1261, 17312), (1552, 14066), (2164, 10088), (2522, 8656), (3104, 7033), (4328, 5044)]