21549436

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 20363204

約数列:

[1, 2, 4, 23, 29, 41, 46, 58, 82, 92, 116, 164, 197, 394, 667, 788, 943, 1189, 1334, 1886, 2378, 2668, 3772, 4531, 4756, 5713, 8077, 9062, 11426, 16154, 18124, 22852, 27347, 32308, 54694, 109388, 131399, 185771, 234233, 262798, 371542, 468466, 525596, 743084, 936932, 5387359, 10774718, 21549436]

約数ペア:

[(1, 21549436), (2, 10774718), (4, 5387359), (23, 936932), (29, 743084), (41, 525596), (46, 468466), (58, 371542), (82, 262798), (92, 234233), (116, 185771), (164, 131399), (197, 109388), (394, 54694), (667, 32308), (788, 27347), (943, 22852), (1189, 18124), (1334, 16154), (1886, 11426), (2378, 9062), (2668, 8077), (3772, 5713), (4531, 4756)]