21237381900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{374557}}^1$

素因数の和:374590

約数の個数: 180

約数和(自身を含む): 78678155248

約数和(自身を除く): 57440773348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 3150, 3780, 4050, 4725, 5670, 6300, 8100, 9450, 11340, 14175, 18900, 28350, 56700, 374557, 749114, 1123671, 1498228, 1872785, 2247342, 2621899, 3371013, 3745570, 4494684, 5243798, 5618355, 6742026, 7491140, 7865697, 9363925, 10113039, 10487596, 11236710, 13109495, 13484052, 15731394, 16855065, 18727850, 20226078, 22473420, 23597091, 26218990, 28091775, 30339117, 31462788, 33710130, 37455700, 39328485, 40452156, 47194182, 50565195, 52437980, 56183550, 60678234, 65547475, 67420260, 70791273, 78656970, 84275325, 94388364, 101130390, 112367100, 117985455, 121356468, 131094950, 141582546, 151695585, 157313940, 168550650, 196642425, 202260780, 212373819, 235970910, 252825975, 262189900, 283165092, 303391170, 337101300, 353956365, 393284850, 424747638, 471941820, 505651950, 589927275, 606782340, 707912730, 758477925, 786569700, 849495276, 1011303900, 1061869095, 1179854550, 1415825460, 1516955850, 1769781825, 2123738190, 2359709100, 3033911700, 3539563650, 4247476380, 5309345475, 7079127300, 10618690950, 21237381900]

約数ペア:

[(1, 21237381900), (2, 10618690950), (3, 7079127300), (4, 5309345475), (5, 4247476380), (6, 3539563650), (7, 3033911700), (9, 2359709100), (10, 2123738190), (12, 1769781825), (14, 1516955850), (15, 1415825460), (18, 1179854550), (20, 1061869095), (21, 1011303900), (25, 849495276), (27, 786569700), (28, 758477925), (30, 707912730), (35, 606782340), (36, 589927275), (42, 505651950), (45, 471941820), (50, 424747638), (54, 393284850), (60, 353956365), (63, 337101300), (70, 303391170), (75, 283165092), (81, 262189900), (84, 252825975), (90, 235970910), (100, 212373819), (105, 202260780), (108, 196642425), (126, 168550650), (135, 157313940), (140, 151695585), (150, 141582546), (162, 131094950), (175, 121356468), (180, 117985455), (189, 112367100), (210, 101130390), (225, 94388364), (252, 84275325), (270, 78656970), (300, 70791273), (315, 67420260), (324, 65547475), (350, 60678234), (378, 56183550), (405, 52437980), (420, 50565195), (450, 47194182), (525, 40452156), (540, 39328485), (567, 37455700), (630, 33710130), (675, 31462788), (700, 30339117), (756, 28091775), (810, 26218990), (900, 23597091), (945, 22473420), (1050, 20226078), (1134, 18727850), (1260, 16855065), (1350, 15731394), (1575, 13484052), (1620, 13109495), (1890, 11236710), (2025, 10487596), (2100, 10113039), (2268, 9363925), (2700, 7865697), (2835, 7491140), (3150, 6742026), (3780, 5618355), (4050, 5243798), (4725, 4494684), (5670, 3745570), (6300, 3371013), (8100, 2621899), (9450, 2247342), (11340, 1872785), (14175, 1498228), (18900, 1123671), (28350, 749114), (56700, 374557)]