21434760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 51141240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 89, 90, 108, 120, 135, 178, 180, 216, 223, 267, 270, 356, 360, 445, 446, 534, 540, 669, 712, 801, 890, 892, 1068, 1080, 1115, 1335, 1338, 1602, 1780, 1784, 2007, 2136, 2230, 2403, 2670, 2676, 3204, 3345, 3560, 4005, 4014, 4460, 4806, 5340, 5352, 6021, 6408, 6690, 8010, 8028, 8920, 9612, 10035, 10680, 12015, 12042, 13380, 16020, 16056, 19224, 19847, 20070, 24030, 24084, 26760, 30105, 32040, 39694, 40140, 48060, 48168, 59541, 60210, 79388, 80280, 96120, 99235, 119082, 120420, 158776, 178623, 198470, 238164, 240840, 297705, 357246, 396940, 476328, 535869, 595410, 714492, 793880, 893115, 1071738, 1190820, 1428984, 1786230, 2143476, 2381640, 2679345, 3572460, 4286952, 5358690, 7144920, 10717380, 21434760]

約数ペア:

[(1, 21434760), (2, 10717380), (3, 7144920), (4, 5358690), (5, 4286952), (6, 3572460), (8, 2679345), (9, 2381640), (10, 2143476), (12, 1786230), (15, 1428984), (18, 1190820), (20, 1071738), (24, 893115), (27, 793880), (30, 714492), (36, 595410), (40, 535869), (45, 476328), (54, 396940), (60, 357246), (72, 297705), (89, 240840), (90, 238164), (108, 198470), (120, 178623), (135, 158776), (178, 120420), (180, 119082), (216, 99235), (223, 96120), (267, 80280), (270, 79388), (356, 60210), (360, 59541), (445, 48168), (446, 48060), (534, 40140), (540, 39694), (669, 32040), (712, 30105), (801, 26760), (890, 24084), (892, 24030), (1068, 20070), (1080, 19847), (1115, 19224), (1335, 16056), (1338, 16020), (1602, 13380), (1780, 12042), (1784, 12015), (2007, 10680), (2136, 10035), (2230, 9612), (2403, 8920), (2670, 8028), (2676, 8010), (3204, 6690), (3345, 6408), (3560, 6021), (4005, 5352), (4014, 5340), (4460, 4806)]