21362509280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19073669}}^1$

素因数の和:19073691

約数の個数: 48

約数和(自身を含む): 57678778080

約数和(自身を除く): 36316268800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19073669, 38147338, 76294676, 95368345, 133515683, 152589352, 190736690, 267031366, 305178704, 381473380, 534062732, 610357408, 667578415, 762946760, 1068125464, 1335156830, 1525893520, 2136250928, 2670313660, 3051787040, 4272501856, 5340627320, 10681254640, 21362509280]

約数ペア:

[(1, 21362509280), (2, 10681254640), (4, 5340627320), (5, 4272501856), (7, 3051787040), (8, 2670313660), (10, 2136250928), (14, 1525893520), (16, 1335156830), (20, 1068125464), (28, 762946760), (32, 667578415), (35, 610357408), (40, 534062732), (56, 381473380), (70, 305178704), (80, 267031366), (112, 190736690), (140, 152589352), (160, 133515683), (224, 95368345), (280, 76294676), (560, 38147338), (1120, 19073669)]