21513646

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 41068800

約数和(自身を除く): 19555154

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2851, 3773, 5702, 7546, 19957, 31361, 39914, 62722, 139699, 219527, 279398, 439054, 977893, 1536689, 1955786, 3073378, 10756823, 21513646]

約数ペア:

[(1, 21513646), (2, 10756823), (7, 3073378), (11, 1955786), (14, 1536689), (22, 977893), (49, 439054), (77, 279398), (98, 219527), (154, 139699), (343, 62722), (539, 39914), (686, 31361), (1078, 19957), (2851, 7546), (3773, 5702)]