21263670688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{134867}}^1$

素因数の和:135269

約数の個数: 48

約数和(自身を含む): 45202358880

約数和(自身を除く): 23938688192

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 379, 416, 758, 1516, 3032, 4927, 6064, 9854, 12128, 19708, 39416, 78832, 134867, 157664, 269734, 539468, 1078936, 1753271, 2157872, 3506542, 4315744, 7013084, 14026168, 28052336, 51114593, 56104672, 102229186, 204458372, 408916744, 664489709, 817833488, 1328979418, 1635666976, 2657958836, 5315917672, 10631835344, 21263670688]

約数ペア:

[(1, 21263670688), (2, 10631835344), (4, 5315917672), (8, 2657958836), (13, 1635666976), (16, 1328979418), (26, 817833488), (32, 664489709), (52, 408916744), (104, 204458372), (208, 102229186), (379, 56104672), (416, 51114593), (758, 28052336), (1516, 14026168), (3032, 7013084), (4927, 4315744), (6064, 3506542), (9854, 2157872), (12128, 1753271), (19708, 1078936), (39416, 539468), (78832, 269734), (134867, 157664)]