21091954080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1021897}}^1$

素因数の和:1021958

約数の個数: 96

約数和(自身を含む): 67984830144

約数和(自身を除く): 46892876064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 20640, 1021897, 2043794, 3065691, 4087588, 5109485, 6131382, 8175176, 10218970, 12262764, 15328455, 16350352, 20437940, 24525528, 30656910, 32700704, 40875880, 43941571, 49051056, 61313820, 81751760, 87883142, 98102112, 122627640, 131824713, 163503520, 175766284, 219707855, 245255280, 263649426, 351532568, 439415710, 490510560, 527298852, 659123565, 703065136, 878831420, 1054597704, 1318247130, 1406130272, 1757662840, 2109195408, 2636494260, 3515325680, 4218390816, 5272988520, 7030651360, 10545977040, 21091954080]

約数ペア:

[(1, 21091954080), (2, 10545977040), (3, 7030651360), (4, 5272988520), (5, 4218390816), (6, 3515325680), (8, 2636494260), (10, 2109195408), (12, 1757662840), (15, 1406130272), (16, 1318247130), (20, 1054597704), (24, 878831420), (30, 703065136), (32, 659123565), (40, 527298852), (43, 490510560), (48, 439415710), (60, 351532568), (80, 263649426), (86, 245255280), (96, 219707855), (120, 175766284), (129, 163503520), (160, 131824713), (172, 122627640), (215, 98102112), (240, 87883142), (258, 81751760), (344, 61313820), (430, 49051056), (480, 43941571), (516, 40875880), (645, 32700704), (688, 30656910), (860, 24525528), (1032, 20437940), (1290, 16350352), (1376, 15328455), (1720, 12262764), (2064, 10218970), (2580, 8175176), (3440, 6131382), (4128, 5109485), (5160, 4087588), (6880, 3065691), (10320, 2043794), (20640, 1021897)]