21562920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 70972200

約数和(自身を除く): 49409280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 673, 712, 801, 890, 1068, 1335, 1346, 1602, 1780, 2019, 2136, 2670, 2692, 3204, 3365, 3560, 4005, 4038, 5340, 5384, 6057, 6408, 6730, 8010, 8076, 10095, 10680, 12114, 13460, 16020, 16152, 20190, 24228, 26920, 30285, 32040, 40380, 48456, 59897, 60570, 80760, 119794, 121140, 179691, 239588, 242280, 299485, 359382, 479176, 539073, 598970, 718764, 898455, 1078146, 1197940, 1437528, 1796910, 2156292, 2395880, 2695365, 3593820, 4312584, 5390730, 7187640, 10781460, 21562920]

約数ペア:

[(1, 21562920), (2, 10781460), (3, 7187640), (4, 5390730), (5, 4312584), (6, 3593820), (8, 2695365), (9, 2395880), (10, 2156292), (12, 1796910), (15, 1437528), (18, 1197940), (20, 1078146), (24, 898455), (30, 718764), (36, 598970), (40, 539073), (45, 479176), (60, 359382), (72, 299485), (89, 242280), (90, 239588), (120, 179691), (178, 121140), (180, 119794), (267, 80760), (356, 60570), (360, 59897), (445, 48456), (534, 40380), (673, 32040), (712, 30285), (801, 26920), (890, 24228), (1068, 20190), (1335, 16152), (1346, 16020), (1602, 13460), (1780, 12114), (2019, 10680), (2136, 10095), (2670, 8076), (2692, 8010), (3204, 6730), (3365, 6408), (3560, 6057), (4005, 5384), (4038, 5340)]