21000742548

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{925469}}^1$

素因数の和:925568

約数の個数: 48

約数和(自身を含む): 51411709440

約数和(自身を除く): 30410966892

約数列:

[1, 2, 3, 4, 6, 12, 31, 61, 62, 93, 122, 124, 183, 186, 244, 366, 372, 732, 1891, 3782, 5673, 7564, 11346, 22692, 925469, 1850938, 2776407, 3701876, 5552814, 11105628, 28689539, 56453609, 57379078, 86068617, 112907218, 114758156, 169360827, 172137234, 225814436, 338721654, 344274468, 677443308, 1750061879, 3500123758, 5250185637, 7000247516, 10500371274, 21000742548]

約数ペア:

[(1, 21000742548), (2, 10500371274), (3, 7000247516), (4, 5250185637), (6, 3500123758), (12, 1750061879), (31, 677443308), (61, 344274468), (62, 338721654), (93, 225814436), (122, 172137234), (124, 169360827), (183, 114758156), (186, 112907218), (244, 86068617), (366, 57379078), (372, 56453609), (732, 28689539), (1891, 11105628), (3782, 5552814), (5673, 3701876), (7564, 2776407), (11346, 1850938), (22692, 925469)]