21002674

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19483}}^1$

素因数の和:19510

約数の個数: 24

約数和(自身を含む): 39981168

約数和(自身を除く): 18978494

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19483, 38966, 136381, 214313, 272762, 428626, 954667, 1500191, 1909334, 3000382, 10501337, 21002674]

約数ペア:

[(1, 21002674), (2, 10501337), (7, 3000382), (11, 1909334), (14, 1500191), (22, 954667), (49, 428626), (77, 272762), (98, 214313), (154, 136381), (539, 38966), (1078, 19483)]