21286954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 37114560

約数和(自身を除く): 15827606

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 1051, 1066, 1558, 2102, 10127, 13663, 19969, 20254, 27326, 39938, 43091, 86182, 259597, 519194, 560183, 818729, 1120366, 1637458, 10643477, 21286954]

約数ペア:

[(1, 21286954), (2, 10643477), (13, 1637458), (19, 1120366), (26, 818729), (38, 560183), (41, 519194), (82, 259597), (247, 86182), (494, 43091), (533, 39938), (779, 27326), (1051, 20254), (1066, 19969), (1558, 13663), (2102, 10127)]