21653040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1186

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 46342608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1087, 1245, 1328, 1660, 1992, 2174, 2490, 3261, 3320, 3984, 4348, 4980, 5435, 6522, 6640, 8696, 9960, 10870, 13044, 16305, 17392, 19920, 21740, 26088, 32610, 43480, 52176, 65220, 86960, 90221, 130440, 180442, 260880, 270663, 360884, 451105, 541326, 721768, 902210, 1082652, 1353315, 1443536, 1804420, 2165304, 2706630, 3608840, 4330608, 5413260, 7217680, 10826520, 21653040]

約数ペア:

[(1, 21653040), (2, 10826520), (3, 7217680), (4, 5413260), (5, 4330608), (6, 3608840), (8, 2706630), (10, 2165304), (12, 1804420), (15, 1443536), (16, 1353315), (20, 1082652), (24, 902210), (30, 721768), (40, 541326), (48, 451105), (60, 360884), (80, 270663), (83, 260880), (120, 180442), (166, 130440), (240, 90221), (249, 86960), (332, 65220), (415, 52176), (498, 43480), (664, 32610), (830, 26088), (996, 21740), (1087, 19920), (1245, 17392), (1328, 16305), (1660, 13044), (1992, 10870), (2174, 9960), (2490, 8696), (3261, 6640), (3320, 6522), (3984, 5435), (4348, 4980)]