21000815448

素因数分解:

$2^3\times 3^1\times {\mathrm{151}}^2\times {\mathrm{38377}}^1$

素因数の和:38688

約数の個数: 48

約数和(自身を含む): 52853414040

約数和(自身を除く): 31852598592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 151, 302, 453, 604, 906, 1208, 1812, 3624, 22801, 38377, 45602, 68403, 76754, 91204, 115131, 136806, 153508, 182408, 230262, 273612, 307016, 460524, 547224, 921048, 5794927, 11589854, 17384781, 23179708, 34769562, 46359416, 69539124, 139078248, 875033977, 1750067954, 2625101931, 3500135908, 5250203862, 7000271816, 10500407724, 21000815448]

約数ペア:

[(1, 21000815448), (2, 10500407724), (3, 7000271816), (4, 5250203862), (6, 3500135908), (8, 2625101931), (12, 1750067954), (24, 875033977), (151, 139078248), (302, 69539124), (453, 46359416), (604, 34769562), (906, 23179708), (1208, 17384781), (1812, 11589854), (3624, 5794927), (22801, 921048), (38377, 547224), (45602, 460524), (68403, 307016), (76754, 273612), (91204, 230262), (115131, 182408), (136806, 153508)]