21262416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63281}}^1$

素因数の和:63299

約数の個数: 40

約数和(自身を含む): 62775744

約数和(自身を除く): 41513328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63281, 126562, 189843, 253124, 379686, 442967, 506248, 759372, 885934, 1012496, 1328901, 1518744, 1771868, 2657802, 3037488, 3543736, 5315604, 7087472, 10631208, 21262416]

約数ペア:

[(1, 21262416), (2, 10631208), (3, 7087472), (4, 5315604), (6, 3543736), (7, 3037488), (8, 2657802), (12, 1771868), (14, 1518744), (16, 1328901), (21, 1012496), (24, 885934), (28, 759372), (42, 506248), (48, 442967), (56, 379686), (84, 253124), (112, 189843), (168, 126562), (336, 63281)]