21147936

素因数分解:

$2^5\times 3^1\times {\mathrm{220291}}^1$

素因数の和:220304

約数の個数: 24

約数和(自身を含む): 55513584

約数和(自身を除く): 34365648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 220291, 440582, 660873, 881164, 1321746, 1762328, 2643492, 3524656, 5286984, 7049312, 10573968, 21147936]

約数ペア:

[(1, 21147936), (2, 10573968), (3, 7049312), (4, 5286984), (6, 3524656), (8, 2643492), (12, 1762328), (16, 1321746), (24, 881164), (32, 660873), (48, 440582), (96, 220291)]