21069968402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{994711}}^1$

素因数の和:994826

約数の個数: 32

約数和(自身を含む): 38674402560

約数和(自身を除く): 17604434158

約数列:

[1, 2, 7, 14, 17, 34, 89, 119, 178, 238, 623, 1246, 1513, 3026, 10591, 21182, 994711, 1989422, 6962977, 13925954, 16910087, 33820174, 88529279, 118370609, 177058558, 236741218, 619704953, 1239409906, 1504997743, 3009995486, 10534984201, 21069968402]

約数ペア:

[(1, 21069968402), (2, 10534984201), (7, 3009995486), (14, 1504997743), (17, 1239409906), (34, 619704953), (89, 236741218), (119, 177058558), (178, 118370609), (238, 88529279), (623, 33820174), (1246, 16910087), (1513, 13925954), (3026, 6962977), (10591, 1989422), (21182, 994711)]