21384308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2141}}^1$

素因数の和:2383

約数の個数: 24

約数和(自身を含む): 41023584

約数和(自身を除く): 19639276

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2141, 2497, 4282, 4994, 8564, 9988, 23551, 47102, 94204, 486007, 972014, 1944028, 5346077, 10692154, 21384308]

約数ペア:

[(1, 21384308), (2, 10692154), (4, 5346077), (11, 1944028), (22, 972014), (44, 486007), (227, 94204), (454, 47102), (908, 23551), (2141, 9988), (2497, 8564), (4282, 4994)]