21223684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16427}}^1$

素因数の和:16467

約数の個数: 24

約数和(自身を含む): 41398560

約数和(自身を除く): 20174876

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16427, 32854, 65708, 279259, 312113, 558518, 624226, 1117036, 1248452, 5305921, 10611842, 21223684]

約数ペア:

[(1, 21223684), (2, 10611842), (4, 5305921), (17, 1248452), (19, 1117036), (34, 624226), (38, 558518), (68, 312113), (76, 279259), (323, 65708), (646, 32854), (1292, 16427)]