21110130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1615

約数の個数: 48

約数和(自身を含む): 55261440

約数和(自身を除く): 34151310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1439, 1467, 1630, 2445, 2878, 2934, 4317, 4890, 7195, 7335, 8634, 12951, 14390, 14670, 21585, 25902, 43170, 64755, 129510, 234557, 469114, 703671, 1172785, 1407342, 2111013, 2345570, 3518355, 4222026, 7036710, 10555065, 21110130]

約数ペア:

[(1, 21110130), (2, 10555065), (3, 7036710), (5, 4222026), (6, 3518355), (9, 2345570), (10, 2111013), (15, 1407342), (18, 1172785), (30, 703671), (45, 469114), (90, 234557), (163, 129510), (326, 64755), (489, 43170), (815, 25902), (978, 21585), (1439, 14670), (1467, 14390), (1630, 12951), (2445, 8634), (2878, 7335), (2934, 7195), (4317, 4890)]