21904200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 75538320

約数和(自身を除く): 53634120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 258, 283, 300, 344, 360, 387, 430, 450, 516, 566, 600, 645, 774, 849, 860, 900, 1032, 1075, 1132, 1290, 1415, 1548, 1698, 1720, 1800, 1935, 2150, 2264, 2547, 2580, 2830, 3096, 3225, 3396, 3870, 4245, 4300, 5094, 5160, 5660, 6450, 6792, 7075, 7740, 8490, 8600, 9675, 10188, 11320, 12169, 12735, 12900, 14150, 15480, 16980, 19350, 20376, 21225, 24338, 25470, 25800, 28300, 33960, 36507, 38700, 42450, 48676, 50940, 56600, 60845, 63675, 73014, 77400, 84900, 97352, 101880, 109521, 121690, 127350, 146028, 169800, 182535, 219042, 243380, 254700, 292056, 304225, 365070, 438084, 486760, 509400, 547605, 608450, 730140, 876168, 912675, 1095210, 1216900, 1460280, 1825350, 2190420, 2433800, 2738025, 3650700, 4380840, 5476050, 7301400, 10952100, 21904200]

約数ペア:

[(1, 21904200), (2, 10952100), (3, 7301400), (4, 5476050), (5, 4380840), (6, 3650700), (8, 2738025), (9, 2433800), (10, 2190420), (12, 1825350), (15, 1460280), (18, 1216900), (20, 1095210), (24, 912675), (25, 876168), (30, 730140), (36, 608450), (40, 547605), (43, 509400), (45, 486760), (50, 438084), (60, 365070), (72, 304225), (75, 292056), (86, 254700), (90, 243380), (100, 219042), (120, 182535), (129, 169800), (150, 146028), (172, 127350), (180, 121690), (200, 109521), (215, 101880), (225, 97352), (258, 84900), (283, 77400), (300, 73014), (344, 63675), (360, 60845), (387, 56600), (430, 50940), (450, 48676), (516, 42450), (566, 38700), (600, 36507), (645, 33960), (774, 28300), (849, 25800), (860, 25470), (900, 24338), (1032, 21225), (1075, 20376), (1132, 19350), (1290, 16980), (1415, 15480), (1548, 14150), (1698, 12900), (1720, 12735), (1800, 12169), (1935, 11320), (2150, 10188), (2264, 9675), (2547, 8600), (2580, 8490), (2830, 7740), (3096, 7075), (3225, 6792), (3396, 6450), (3870, 5660), (4245, 5160), (4300, 5094)]