21167301080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{21401}}^1$

素因数の和:21804

約数の個数: 64

約数和(自身を含む): 48385641600

約数和(自身を除く): 27218340520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 313, 316, 395, 626, 632, 790, 1252, 1565, 1580, 2504, 3130, 3160, 6260, 12520, 21401, 24727, 42802, 49454, 85604, 98908, 107005, 123635, 171208, 197816, 214010, 247270, 428020, 494540, 856040, 989080, 1690679, 3381358, 6698513, 6762716, 8453395, 13397026, 13525432, 16906790, 26794052, 33492565, 33813580, 53588104, 66985130, 67627160, 133970260, 267940520, 529182527, 1058365054, 2116730108, 2645912635, 4233460216, 5291825270, 10583650540, 21167301080]

約数ペア:

[(1, 21167301080), (2, 10583650540), (4, 5291825270), (5, 4233460216), (8, 2645912635), (10, 2116730108), (20, 1058365054), (40, 529182527), (79, 267940520), (158, 133970260), (313, 67627160), (316, 66985130), (395, 53588104), (626, 33813580), (632, 33492565), (790, 26794052), (1252, 16906790), (1565, 13525432), (1580, 13397026), (2504, 8453395), (3130, 6762716), (3160, 6698513), (6260, 3381358), (12520, 1690679), (21401, 989080), (24727, 856040), (42802, 494540), (49454, 428020), (85604, 247270), (98908, 214010), (107005, 197816), (123635, 171208)]