21618744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128683}}^1$

素因数の和:128699

約数の個数: 32

約数和(自身を含む): 61768320

約数和(自身を除く): 40149576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128683, 257366, 386049, 514732, 772098, 900781, 1029464, 1544196, 1801562, 2702343, 3088392, 3603124, 5404686, 7206248, 10809372, 21618744]

約数ペア:

[(1, 21618744), (2, 10809372), (3, 7206248), (4, 5404686), (6, 3603124), (7, 3088392), (8, 2702343), (12, 1801562), (14, 1544196), (21, 1029464), (24, 900781), (28, 772098), (42, 514732), (56, 386049), (84, 257366), (168, 128683)]