21998548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38459}}^1$

素因数の和:38487

約数の個数: 24

約数和(自身を含む): 45228960

約数和(自身を除く): 23230412

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 38459, 76918, 153836, 423049, 499967, 846098, 999934, 1692196, 1999868, 5499637, 10999274, 21998548]

約数ペア:

[(1, 21998548), (2, 10999274), (4, 5499637), (11, 1999868), (13, 1692196), (22, 999934), (26, 846098), (44, 499967), (52, 423049), (143, 153836), (286, 76918), (572, 38459)]