21054310640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23925353}}^1$

素因数の和:23925377

約数の個数: 40

約数和(自身を含む): 53401390128

約数和(自身を除く): 32347079488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23925353, 47850706, 95701412, 119626765, 191402824, 239253530, 263178883, 382805648, 478507060, 526357766, 957014120, 1052715532, 1315894415, 1914028240, 2105431064, 2631788830, 4210862128, 5263577660, 10527155320, 21054310640]

約数ペア:

[(1, 21054310640), (2, 10527155320), (4, 5263577660), (5, 4210862128), (8, 2631788830), (10, 2105431064), (11, 1914028240), (16, 1315894415), (20, 1052715532), (22, 957014120), (40, 526357766), (44, 478507060), (55, 382805648), (80, 263178883), (88, 239253530), (110, 191402824), (176, 119626765), (220, 95701412), (440, 47850706), (880, 23925353)]