21405624

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28771}}^1$

素因数の和:28811

約数の個数: 32

約数和(自身を含む): 55242240

約数和(自身を除く): 33836616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28771, 57542, 86313, 115084, 172626, 230168, 345252, 690504, 891901, 1783802, 2675703, 3567604, 5351406, 7135208, 10702812, 21405624]

約数ペア:

[(1, 21405624), (2, 10702812), (3, 7135208), (4, 5351406), (6, 3567604), (8, 2675703), (12, 1783802), (24, 891901), (31, 690504), (62, 345252), (93, 230168), (124, 172626), (186, 115084), (248, 86313), (372, 57542), (744, 28771)]