21967560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 72072000

約数和(自身を除く): 50104440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 439, 556, 695, 834, 878, 1112, 1251, 1317, 1390, 1668, 1756, 2085, 2195, 2502, 2634, 2780, 3336, 3512, 3951, 4170, 4390, 5004, 5268, 5560, 6255, 6585, 7902, 8340, 8780, 10008, 10536, 12510, 13170, 15804, 16680, 17560, 19755, 25020, 26340, 31608, 39510, 50040, 52680, 61021, 79020, 122042, 158040, 183063, 244084, 305105, 366126, 488168, 549189, 610210, 732252, 915315, 1098378, 1220420, 1464504, 1830630, 2196756, 2440840, 2745945, 3661260, 4393512, 5491890, 7322520, 10983780, 21967560]

約数ペア:

[(1, 21967560), (2, 10983780), (3, 7322520), (4, 5491890), (5, 4393512), (6, 3661260), (8, 2745945), (9, 2440840), (10, 2196756), (12, 1830630), (15, 1464504), (18, 1220420), (20, 1098378), (24, 915315), (30, 732252), (36, 610210), (40, 549189), (45, 488168), (60, 366126), (72, 305105), (90, 244084), (120, 183063), (139, 158040), (180, 122042), (278, 79020), (360, 61021), (417, 52680), (439, 50040), (556, 39510), (695, 31608), (834, 26340), (878, 25020), (1112, 19755), (1251, 17560), (1317, 16680), (1390, 15804), (1668, 13170), (1756, 12510), (2085, 10536), (2195, 10008), (2502, 8780), (2634, 8340), (2780, 7902), (3336, 6585), (3512, 6255), (3951, 5560), (4170, 5268), (4390, 5004)]