21259938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2399}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 48844800

約数和(自身を除く): 27584862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2399, 2954, 4431, 4798, 7197, 8862, 14394, 16793, 33586, 50379, 100758, 506189, 1012378, 1518567, 3037134, 3543323, 7086646, 10629969, 21259938]

約数ペア:

[(1, 21259938), (2, 10629969), (3, 7086646), (6, 3543323), (7, 3037134), (14, 1518567), (21, 1012378), (42, 506189), (211, 100758), (422, 50379), (633, 33586), (1266, 16793), (1477, 14394), (2399, 8862), (2954, 7197), (4431, 4798)]