21345456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40427}}^1$

素因数の和:40449

約数の個数: 40

約数和(自身を含む): 60156864

約数和(自身を除く): 38811408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40427, 80854, 121281, 161708, 242562, 323416, 444697, 485124, 646832, 889394, 970248, 1334091, 1778788, 1940496, 2668182, 3557576, 5336364, 7115152, 10672728, 21345456]

約数ペア:

[(1, 21345456), (2, 10672728), (3, 7115152), (4, 5336364), (6, 3557576), (8, 2668182), (11, 1940496), (12, 1778788), (16, 1334091), (22, 970248), (24, 889394), (33, 646832), (44, 485124), (48, 444697), (66, 323416), (88, 242562), (132, 161708), (176, 121281), (264, 80854), (528, 40427)]