21303044080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15664003}}^1$

素因数の和:15664033

約数の個数: 40

約数和(自身を含む): 52443085392

約数和(自身を除く): 31140041312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 15664003, 31328006, 62656012, 78320015, 125312024, 156640030, 250624048, 266288051, 313280060, 532576102, 626560120, 1065152204, 1253120240, 1331440255, 2130304408, 2662880510, 4260608816, 5325761020, 10651522040, 21303044080]

約数ペア:

[(1, 21303044080), (2, 10651522040), (4, 5325761020), (5, 4260608816), (8, 2662880510), (10, 2130304408), (16, 1331440255), (17, 1253120240), (20, 1065152204), (34, 626560120), (40, 532576102), (68, 313280060), (80, 266288051), (85, 250624048), (136, 156640030), (170, 125312024), (272, 78320015), (340, 62656012), (680, 31328006), (1360, 15664003)]