21006443628

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 56056256256

約数和(自身を除く): 35049812628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 157, 207, 276, 283, 314, 414, 471, 566, 571, 628, 828, 849, 942, 1132, 1142, 1413, 1698, 1713, 1884, 2284, 2547, 2826, 3396, 3426, 3611, 5094, 5139, 5652, 6509, 6852, 7222, 10188, 10278, 10833, 13018, 13133, 14444, 19527, 20556, 21666, 26036, 26266, 32499, 39054, 39399, 43332, 44431, 52532, 58581, 64998, 78108, 78798, 88862, 89647, 117162, 118197, 129996, 133293, 157596, 161593, 177724, 179294, 234324, 236394, 266586, 268941, 323186, 358588, 399879, 472788, 484779, 533172, 537882, 646372, 799758, 806823, 969558, 1021913, 1075764, 1454337, 1599516, 1613646, 1939116, 2043826, 2061881, 2908674, 3065739, 3227292, 3716639, 4087652, 4123762, 5817348, 6131478, 6185643, 7433278, 8247524, 9197217, 11149917, 12262956, 12371286, 14866556, 18394434, 18556929, 22299834, 24742572, 25370101, 33449751, 36788868, 37113858, 44599668, 50740202, 66899502, 74227716, 76110303, 101480404, 133799004, 152220606, 228330909, 304441212, 456661818, 583512323, 913323636, 1167024646, 1750536969, 2334049292, 3501073938, 5251610907, 7002147876, 10503221814, 21006443628]

約数ペア:

[(1, 21006443628), (2, 10503221814), (3, 7002147876), (4, 5251610907), (6, 3501073938), (9, 2334049292), (12, 1750536969), (18, 1167024646), (23, 913323636), (36, 583512323), (46, 456661818), (69, 304441212), (92, 228330909), (138, 152220606), (157, 133799004), (207, 101480404), (276, 76110303), (283, 74227716), (314, 66899502), (414, 50740202), (471, 44599668), (566, 37113858), (571, 36788868), (628, 33449751), (828, 25370101), (849, 24742572), (942, 22299834), (1132, 18556929), (1142, 18394434), (1413, 14866556), (1698, 12371286), (1713, 12262956), (1884, 11149917), (2284, 9197217), (2547, 8247524), (2826, 7433278), (3396, 6185643), (3426, 6131478), (3611, 5817348), (5094, 4123762), (5139, 4087652), (5652, 3716639), (6509, 3227292), (6852, 3065739), (7222, 2908674), (10188, 2061881), (10278, 2043826), (10833, 1939116), (13018, 1613646), (13133, 1599516), (14444, 1454337), (19527, 1075764), (20556, 1021913), (21666, 969558), (26036, 806823), (26266, 799758), (32499, 646372), (39054, 537882), (39399, 533172), (43332, 484779), (44431, 472788), (52532, 399879), (58581, 358588), (64998, 323186), (78108, 268941), (78798, 266586), (88862, 236394), (89647, 234324), (117162, 179294), (118197, 177724), (129996, 161593), (133293, 157596)]