21593440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12269}}^1$

素因数の和:12295

約数の個数: 48

約数和(自身を含む): 55656720

約数和(自身を除く): 34063280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12269, 24538, 49076, 61345, 98152, 122690, 134959, 196304, 245380, 269918, 392608, 490760, 539836, 674795, 981520, 1079672, 1349590, 1963040, 2159344, 2699180, 4318688, 5398360, 10796720, 21593440]

約数ペア:

[(1, 21593440), (2, 10796720), (4, 5398360), (5, 4318688), (8, 2699180), (10, 2159344), (11, 1963040), (16, 1349590), (20, 1079672), (22, 981520), (32, 674795), (40, 539836), (44, 490760), (55, 392608), (80, 269918), (88, 245380), (110, 196304), (160, 134959), (176, 122690), (220, 98152), (352, 61345), (440, 49076), (880, 24538), (1760, 12269)]