21748284

素因数分解:

$2^2\times 3^3\times {\mathrm{349}}^1\times {\mathrm{577}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 56644000

約数和(自身を除く): 34895716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 349, 577, 698, 1047, 1154, 1396, 1731, 2094, 2308, 3141, 3462, 4188, 5193, 6282, 6924, 9423, 10386, 12564, 15579, 18846, 20772, 31158, 37692, 62316, 201373, 402746, 604119, 805492, 1208238, 1812357, 2416476, 3624714, 5437071, 7249428, 10874142, 21748284]

約数ペア:

[(1, 21748284), (2, 10874142), (3, 7249428), (4, 5437071), (6, 3624714), (9, 2416476), (12, 1812357), (18, 1208238), (27, 805492), (36, 604119), (54, 402746), (108, 201373), (349, 62316), (577, 37692), (698, 31158), (1047, 20772), (1154, 18846), (1396, 15579), (1731, 12564), (2094, 10386), (2308, 9423), (3141, 6924), (3462, 6282), (4188, 5193)]