21961080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 72783360

約数和(自身を除く): 50822280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1151, 1272, 1590, 1908, 2120, 2302, 2385, 3180, 3453, 3816, 4604, 4770, 5755, 6360, 6906, 9208, 9540, 10359, 11510, 13812, 17265, 19080, 20718, 23020, 27624, 34530, 41436, 46040, 51795, 61003, 69060, 82872, 103590, 122006, 138120, 183009, 207180, 244012, 305015, 366018, 414360, 488024, 549027, 610030, 732036, 915045, 1098054, 1220060, 1464072, 1830090, 2196108, 2440120, 2745135, 3660180, 4392216, 5490270, 7320360, 10980540, 21961080]

約数ペア:

[(1, 21961080), (2, 10980540), (3, 7320360), (4, 5490270), (5, 4392216), (6, 3660180), (8, 2745135), (9, 2440120), (10, 2196108), (12, 1830090), (15, 1464072), (18, 1220060), (20, 1098054), (24, 915045), (30, 732036), (36, 610030), (40, 549027), (45, 488024), (53, 414360), (60, 366018), (72, 305015), (90, 244012), (106, 207180), (120, 183009), (159, 138120), (180, 122006), (212, 103590), (265, 82872), (318, 69060), (360, 61003), (424, 51795), (477, 46040), (530, 41436), (636, 34530), (795, 27624), (954, 23020), (1060, 20718), (1151, 19080), (1272, 17265), (1590, 13812), (1908, 11510), (2120, 10359), (2302, 9540), (2385, 9208), (3180, 6906), (3453, 6360), (3816, 5755), (4604, 4770)]