21712350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13159}}^1$

素因数の和:13185

約数の個数: 48

約数和(自身を含む): 58746240

約数和(自身を除く): 37033890

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, 13159, 26318, 39477, 65795, 78954, 131590, 144749, 197385, 289498, 328975, 394770, 434247, 657950, 723745, 868494, 986925, 1447490, 1973850, 2171235, 3618725, 4342470, 7237450, 10856175, 21712350]

約数ペア:

[(1, 21712350), (2, 10856175), (3, 7237450), (5, 4342470), (6, 3618725), (10, 2171235), (11, 1973850), (15, 1447490), (22, 986925), (25, 868494), (30, 723745), (33, 657950), (50, 434247), (55, 394770), (66, 328975), (75, 289498), (110, 197385), (150, 144749), (165, 131590), (275, 78954), (330, 65795), (550, 39477), (825, 26318), (1650, 13159)]