21578928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64223}}^1$

素因数の和:64241

約数の個数: 40

約数和(自身を含む): 63710208

約数和(自身を除く): 42131280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64223, 128446, 192669, 256892, 385338, 449561, 513784, 770676, 899122, 1027568, 1348683, 1541352, 1798244, 2697366, 3082704, 3596488, 5394732, 7192976, 10789464, 21578928]

約数ペア:

[(1, 21578928), (2, 10789464), (3, 7192976), (4, 5394732), (6, 3596488), (7, 3082704), (8, 2697366), (12, 1798244), (14, 1541352), (16, 1348683), (21, 1027568), (24, 899122), (28, 770676), (42, 513784), (48, 449561), (56, 385338), (84, 256892), (112, 192669), (168, 128446), (336, 64223)]