21386476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16553}}^1$

素因数の和:16593

約数の個数: 24

約数和(自身を含む): 41716080

約数和(自身を除く): 20329604

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16553, 33106, 66212, 281401, 314507, 562802, 629014, 1125604, 1258028, 5346619, 10693238, 21386476]

約数ペア:

[(1, 21386476), (2, 10693238), (4, 5346619), (17, 1258028), (19, 1125604), (34, 629014), (38, 562802), (68, 314507), (76, 281401), (323, 66212), (646, 33106), (1292, 16553)]