21183030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21397}}^1$

素因数の和:21421

約数の個数: 48

約数和(自身を含む): 60085584

約数和(自身を除く): 38902554

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21397, 42794, 64191, 106985, 128382, 192573, 213970, 235367, 320955, 385146, 470734, 641910, 706101, 962865, 1176835, 1412202, 1925730, 2118303, 2353670, 3530505, 4236606, 7061010, 10591515, 21183030]

約数ペア:

[(1, 21183030), (2, 10591515), (3, 7061010), (5, 4236606), (6, 3530505), (9, 2353670), (10, 2118303), (11, 1925730), (15, 1412202), (18, 1176835), (22, 962865), (30, 706101), (33, 641910), (45, 470734), (55, 385146), (66, 320955), (90, 235367), (99, 213970), (110, 192573), (165, 128382), (198, 106985), (330, 64191), (495, 42794), (990, 21397)]