21927615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 15811905

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 1637, 2679, 4465, 4911, 8185, 13395, 24555, 31103, 76939, 93309, 155515, 230817, 384695, 466545, 1154085, 1461841, 4385523, 7309205, 21927615]

約数ペア:

[(1, 21927615), (3, 7309205), (5, 4385523), (15, 1461841), (19, 1154085), (47, 466545), (57, 384695), (95, 230817), (141, 155515), (235, 93309), (285, 76939), (705, 31103), (893, 24555), (1637, 13395), (2679, 8185), (4465, 4911)]