21315514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14461}}^1$

素因数の和:14541

約数の個数: 16

約数和(自身を含む): 35402976

約数和(自身を除く): 14087462

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14461, 28922, 159071, 318142, 968887, 1937774, 10657757, 21315514]

約数ペア:

[(1, 21315514), (2, 10657757), (11, 1937774), (22, 968887), (67, 318142), (134, 159071), (737, 28922), (1474, 14461)]