21491617140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5685613}}^1$

素因数の和:5685638

約数の個数: 96

約数和(自身を含む): 76414652160

約数和(自身を除く): 54923035020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5685613, 11371226, 17056839, 22742452, 28428065, 34113678, 39799291, 51170517, 56856130, 68227356, 79598582, 85284195, 102341034, 113712260, 119397873, 153511551, 159197164, 170568390, 198996455, 204682068, 238795746, 255852585, 307023102, 341136780, 358193619, 397992910, 477591492, 511705170, 596989365, 614046204, 716387238, 767557755, 795985820, 1023410340, 1074580857, 1193978730, 1432774476, 1535115510, 1790968095, 2149161714, 2387957460, 3070231020, 3581936190, 4298323428, 5372904285, 7163872380, 10745808570, 21491617140]

約数ペア:

[(1, 21491617140), (2, 10745808570), (3, 7163872380), (4, 5372904285), (5, 4298323428), (6, 3581936190), (7, 3070231020), (9, 2387957460), (10, 2149161714), (12, 1790968095), (14, 1535115510), (15, 1432774476), (18, 1193978730), (20, 1074580857), (21, 1023410340), (27, 795985820), (28, 767557755), (30, 716387238), (35, 614046204), (36, 596989365), (42, 511705170), (45, 477591492), (54, 397992910), (60, 358193619), (63, 341136780), (70, 307023102), (84, 255852585), (90, 238795746), (105, 204682068), (108, 198996455), (126, 170568390), (135, 159197164), (140, 153511551), (180, 119397873), (189, 113712260), (210, 102341034), (252, 85284195), (270, 79598582), (315, 68227356), (378, 56856130), (420, 51170517), (540, 39799291), (630, 34113678), (756, 28428065), (945, 22742452), (1260, 17056839), (1890, 11371226), (3780, 5685613)]