21047532

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{503}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 53851392

約数和(自身を除く): 32803860

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 317, 503, 634, 951, 1006, 1268, 1509, 1902, 2012, 3018, 3487, 3804, 5533, 6036, 6974, 10461, 11066, 13948, 16599, 20922, 22132, 33198, 41844, 66396, 159451, 318902, 478353, 637804, 956706, 1753961, 1913412, 3507922, 5261883, 7015844, 10523766, 21047532]

約数ペア:

[(1, 21047532), (2, 10523766), (3, 7015844), (4, 5261883), (6, 3507922), (11, 1913412), (12, 1753961), (22, 956706), (33, 637804), (44, 478353), (66, 318902), (132, 159451), (317, 66396), (503, 41844), (634, 33198), (951, 22132), (1006, 20922), (1268, 16599), (1509, 13948), (1902, 11066), (2012, 10461), (3018, 6974), (3487, 6036), (3804, 5533)]