21345392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 43189200

約数和(自身を除く): 21843808

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 179, 232, 257, 358, 464, 514, 716, 1028, 1432, 2056, 2864, 4112, 5191, 7453, 10382, 14906, 20764, 29812, 41528, 46003, 59624, 83056, 92006, 119248, 184012, 368024, 736048, 1334087, 2668174, 5336348, 10672696, 21345392]

約数ペア:

[(1, 21345392), (2, 10672696), (4, 5336348), (8, 2668174), (16, 1334087), (29, 736048), (58, 368024), (116, 184012), (179, 119248), (232, 92006), (257, 83056), (358, 59624), (464, 46003), (514, 41528), (716, 29812), (1028, 20764), (1432, 14906), (2056, 10382), (2864, 7453), (4112, 5191)]