21910200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 74552520

約数和(自身を除く): 52642320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 53, 60, 65, 75, 78, 100, 104, 106, 120, 130, 150, 156, 159, 195, 200, 212, 260, 265, 300, 312, 318, 325, 390, 424, 520, 530, 600, 636, 650, 689, 780, 795, 975, 1060, 1272, 1300, 1325, 1378, 1560, 1590, 1950, 2067, 2120, 2600, 2650, 2756, 2809, 3180, 3445, 3900, 3975, 4134, 5300, 5512, 5618, 6360, 6890, 7800, 7950, 8268, 8427, 10335, 10600, 11236, 13780, 14045, 15900, 16536, 16854, 17225, 20670, 22472, 27560, 28090, 31800, 33708, 34450, 36517, 41340, 42135, 51675, 56180, 67416, 68900, 70225, 73034, 82680, 84270, 103350, 109551, 112360, 137800, 140450, 146068, 168540, 182585, 206700, 210675, 219102, 280900, 292136, 337080, 365170, 413400, 421350, 438204, 547755, 561800, 730340, 842700, 876408, 912925, 1095510, 1460680, 1685400, 1825850, 2191020, 2738775, 3651700, 4382040, 5477550, 7303400, 10955100, 21910200]

約数ペア:

[(1, 21910200), (2, 10955100), (3, 7303400), (4, 5477550), (5, 4382040), (6, 3651700), (8, 2738775), (10, 2191020), (12, 1825850), (13, 1685400), (15, 1460680), (20, 1095510), (24, 912925), (25, 876408), (26, 842700), (30, 730340), (39, 561800), (40, 547755), (50, 438204), (52, 421350), (53, 413400), (60, 365170), (65, 337080), (75, 292136), (78, 280900), (100, 219102), (104, 210675), (106, 206700), (120, 182585), (130, 168540), (150, 146068), (156, 140450), (159, 137800), (195, 112360), (200, 109551), (212, 103350), (260, 84270), (265, 82680), (300, 73034), (312, 70225), (318, 68900), (325, 67416), (390, 56180), (424, 51675), (520, 42135), (530, 41340), (600, 36517), (636, 34450), (650, 33708), (689, 31800), (780, 28090), (795, 27560), (975, 22472), (1060, 20670), (1272, 17225), (1300, 16854), (1325, 16536), (1378, 15900), (1560, 14045), (1590, 13780), (1950, 11236), (2067, 10600), (2120, 10335), (2600, 8427), (2650, 8268), (2756, 7950), (2809, 7800), (3180, 6890), (3445, 6360), (3900, 5618), (3975, 5512), (4134, 5300)]