21047624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202381}}^1$

素因数の和:202400

約数の個数: 16

約数和(自身を含む): 42500220

約数和(自身を除く): 21452596

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202381, 404762, 809524, 1619048, 2630953, 5261906, 10523812, 21047624]

約数ペア:

[(1, 21047624), (2, 10523812), (4, 5261906), (8, 2630953), (13, 1619048), (26, 809524), (52, 404762), (104, 202381)]