21824390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 23414650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2243, 4486, 4865, 9730, 11215, 15701, 22430, 31402, 78505, 157010, 311777, 623554, 1558885, 2182439, 3117770, 4364878, 10912195, 21824390]

約数ペア:

[(1, 21824390), (2, 10912195), (5, 4364878), (7, 3117770), (10, 2182439), (14, 1558885), (35, 623554), (70, 311777), (139, 157010), (278, 78505), (695, 31402), (973, 22430), (1390, 15701), (1946, 11215), (2243, 9730), (4486, 4865)]