21718950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13163}}^1$

素因数の和:13189

約数の個数: 48

約数和(自身を含む): 58764096

約数和(自身を除く): 37045146

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13163, 26326, 39489, 65815, 78978, 131630, 144793, 197445, 289586, 329075, 394890, 434379, 658150, 723965, 868758, 987225, 1447930, 1974450, 2171895, 3619825, 4343790, 7239650, 10859475, 21718950]

約数ペア:

[(1, 21718950), (2, 10859475), (3, 7239650), (5, 4343790), (6, 3619825), (10, 2171895), (11, 1974450), (15, 1447930), (22, 987225), (25, 868758), (30, 723965), (33, 658150), (50, 434379), (55, 394890), (66, 329075), (75, 289586), (110, 197445), (150, 144793), (165, 131630), (275, 78978), (330, 65815), (550, 39489), (825, 26326), (1650, 13163)]