1821492930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1\times {\mathrm{1847}}^1$

素因数の和:2391

約数の個数: 64

約数和(自身を含む): 4445134848

約数和(自身を除く): 2623641918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 463, 710, 926, 1065, 1389, 1847, 2130, 2315, 2778, 3694, 4630, 5541, 6945, 9235, 11082, 13890, 18470, 27705, 32873, 55410, 65746, 98619, 131137, 164365, 197238, 262274, 328730, 393411, 493095, 655685, 786822, 855161, 986190, 1311370, 1710322, 1967055, 2565483, 3934110, 4275805, 5130966, 8551610, 12827415, 25654830, 60716431, 121432862, 182149293, 303582155, 364298586, 607164310, 910746465, 1821492930]

約数ペア:

[(1, 1821492930), (2, 910746465), (3, 607164310), (5, 364298586), (6, 303582155), (10, 182149293), (15, 121432862), (30, 60716431), (71, 25654830), (142, 12827415), (213, 8551610), (355, 5130966), (426, 4275805), (463, 3934110), (710, 2565483), (926, 1967055), (1065, 1710322), (1389, 1311370), (1847, 986190), (2130, 855161), (2315, 786822), (2778, 655685), (3694, 493095), (4630, 393411), (5541, 328730), (6945, 262274), (9235, 197238), (11082, 164365), (13890, 131137), (18470, 98619), (27705, 65746), (32873, 55410)]