21849450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20809}}^1$

素因数の和:20831

約数の個数: 48

約数和(自身を含む): 61930560

約数和(自身を除く): 40081110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20809, 41618, 62427, 104045, 124854, 145663, 208090, 291326, 312135, 436989, 520225, 624270, 728315, 873978, 1040450, 1456630, 1560675, 2184945, 3121350, 3641575, 4369890, 7283150, 10924725, 21849450]

約数ペア:

[(1, 21849450), (2, 10924725), (3, 7283150), (5, 4369890), (6, 3641575), (7, 3121350), (10, 2184945), (14, 1560675), (15, 1456630), (21, 1040450), (25, 873978), (30, 728315), (35, 624270), (42, 520225), (50, 436989), (70, 312135), (75, 291326), (105, 208090), (150, 145663), (175, 124854), (210, 104045), (350, 62427), (525, 41618), (1050, 20809)]