21196450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2267}}^1$

素因数の和:2307

約数の個数: 48

約数和(自身を含む): 45559584

約数和(自身を除く): 24363134

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, 2267, 4534, 4675, 9350, 11335, 22670, 24937, 38539, 49874, 56675, 77078, 113350, 124685, 192695, 249370, 385390, 423929, 623425, 847858, 963475, 1246850, 1926950, 2119645, 4239290, 10598225, 21196450]

約数ペア:

[(1, 21196450), (2, 10598225), (5, 4239290), (10, 2119645), (11, 1926950), (17, 1246850), (22, 963475), (25, 847858), (34, 623425), (50, 423929), (55, 385390), (85, 249370), (110, 192695), (170, 124685), (187, 113350), (275, 77078), (374, 56675), (425, 49874), (550, 38539), (850, 24937), (935, 22670), (1870, 11335), (2267, 9350), (4534, 4675)]