21541514360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{1697}}^1$

素因数の和:2121

約数の個数: 128

約数和(自身を含む): 51934348800

約数和(自身を除く): 30392834440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 353, 580, 620, 706, 899, 1160, 1240, 1412, 1697, 1765, 1798, 2824, 3394, 3530, 3596, 4495, 6788, 7060, 7192, 8485, 8990, 10237, 10943, 13576, 14120, 16970, 17980, 20474, 21886, 33940, 35960, 40948, 43772, 49213, 51185, 52607, 54715, 67880, 81896, 87544, 98426, 102370, 105214, 109430, 196852, 204740, 210428, 218860, 246065, 263035, 317347, 393704, 409480, 420856, 437720, 492130, 526070, 599041, 634694, 984260, 1052140, 1198082, 1269388, 1525603, 1586735, 1968520, 2104280, 2396164, 2538776, 2995205, 3051206, 3173470, 4792328, 5990410, 6102412, 6346940, 7628015, 11980820, 12204824, 12693880, 15256030, 17372189, 18570271, 23961640, 30512060, 34744378, 37140542, 61024120, 69488756, 74281084, 86860945, 92851355, 138977512, 148562168, 173721890, 185702710, 347443780, 371405420, 538537859, 694887560, 742810840, 1077075718, 2154151436, 2692689295, 4308302872, 5385378590, 10770757180, 21541514360]

約数ペア:

[(1, 21541514360), (2, 10770757180), (4, 5385378590), (5, 4308302872), (8, 2692689295), (10, 2154151436), (20, 1077075718), (29, 742810840), (31, 694887560), (40, 538537859), (58, 371405420), (62, 347443780), (116, 185702710), (124, 173721890), (145, 148562168), (155, 138977512), (232, 92851355), (248, 86860945), (290, 74281084), (310, 69488756), (353, 61024120), (580, 37140542), (620, 34744378), (706, 30512060), (899, 23961640), (1160, 18570271), (1240, 17372189), (1412, 15256030), (1697, 12693880), (1765, 12204824), (1798, 11980820), (2824, 7628015), (3394, 6346940), (3530, 6102412), (3596, 5990410), (4495, 4792328), (6788, 3173470), (7060, 3051206), (7192, 2995205), (8485, 2538776), (8990, 2396164), (10237, 2104280), (10943, 1968520), (13576, 1586735), (14120, 1525603), (16970, 1269388), (17980, 1198082), (20474, 1052140), (21886, 984260), (33940, 634694), (35960, 599041), (40948, 526070), (43772, 492130), (49213, 437720), (51185, 420856), (52607, 409480), (54715, 393704), (67880, 317347), (81896, 263035), (87544, 246065), (98426, 218860), (102370, 210428), (105214, 204740), (109430, 196852)]