21046850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2291

約数の個数: 48

約数和(自身を含む): 45238176

約数和(自身を除く): 24191326

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 2251, 4502, 4675, 9350, 11255, 22510, 24761, 38267, 49522, 56275, 76534, 112550, 123805, 191335, 247610, 382670, 420937, 619025, 841874, 956675, 1238050, 1913350, 2104685, 4209370, 10523425, 21046850]

約数ペア:

[(1, 21046850), (2, 10523425), (5, 4209370), (10, 2104685), (11, 1913350), (17, 1238050), (22, 956675), (25, 841874), (34, 619025), (50, 420937), (55, 382670), (85, 247610), (110, 191335), (170, 123805), (187, 112550), (275, 76534), (374, 56275), (425, 49522), (550, 38267), (850, 24761), (935, 22510), (1870, 11255), (2251, 9350), (4502, 4675)]