21709014718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{69661}}^1$

素因数の和:69880

約数の個数: 32

約数和(自身を含む): 35109648000

約数和(自身を除く): 13400633282

約数列:

[1, 2, 19, 38, 59, 118, 139, 278, 1121, 2242, 2641, 5282, 8201, 16402, 69661, 139322, 155819, 311638, 1323559, 2647118, 4109999, 8219998, 9682879, 19365758, 78089981, 156179962, 183974701, 367949402, 571289861, 1142579722, 10854507359, 21709014718]

約数ペア:

[(1, 21709014718), (2, 10854507359), (19, 1142579722), (38, 571289861), (59, 367949402), (118, 183974701), (139, 156179962), (278, 78089981), (1121, 19365758), (2242, 9682879), (2641, 8219998), (5282, 4109999), (8201, 2647118), (16402, 1323559), (69661, 311638), (139322, 155819)]