21571344

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2539}}^1$

素因数の和:2612

約数の個数: 60

約数和(自身を含む): 61417200

約数和(自身を除く): 39845856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2539, 2832, 4248, 5078, 7617, 8496, 10156, 15234, 20312, 22851, 30468, 40624, 45702, 60936, 91404, 121872, 149801, 182808, 299602, 365616, 449403, 599204, 898806, 1198408, 1348209, 1797612, 2396816, 2696418, 3595224, 5392836, 7190448, 10785672, 21571344]

約数ペア:

[(1, 21571344), (2, 10785672), (3, 7190448), (4, 5392836), (6, 3595224), (8, 2696418), (9, 2396816), (12, 1797612), (16, 1348209), (18, 1198408), (24, 898806), (36, 599204), (48, 449403), (59, 365616), (72, 299602), (118, 182808), (144, 149801), (177, 121872), (236, 91404), (354, 60936), (472, 45702), (531, 40624), (708, 30468), (944, 22851), (1062, 20312), (1416, 15234), (2124, 10156), (2539, 8496), (2832, 7617), (4248, 5078)]