21050784

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3882

約数の個数: 72

約数和(自身を含む): 63030240

約数和(自身を除く): 41979456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3847, 5472, 7694, 11541, 15388, 23082, 30776, 34623, 46164, 61552, 69246, 73093, 92328, 123104, 138492, 146186, 184656, 219279, 276984, 292372, 369312, 438558, 553968, 584744, 657837, 877116, 1107936, 1169488, 1315674, 1754232, 2338976, 2631348, 3508464, 5262696, 7016928, 10525392, 21050784]

約数ペア:

[(1, 21050784), (2, 10525392), (3, 7016928), (4, 5262696), (6, 3508464), (8, 2631348), (9, 2338976), (12, 1754232), (16, 1315674), (18, 1169488), (19, 1107936), (24, 877116), (32, 657837), (36, 584744), (38, 553968), (48, 438558), (57, 369312), (72, 292372), (76, 276984), (96, 219279), (114, 184656), (144, 146186), (152, 138492), (171, 123104), (228, 92328), (288, 73093), (304, 69246), (342, 61552), (456, 46164), (608, 34623), (684, 30776), (912, 23082), (1368, 15388), (1824, 11541), (2736, 7694), (3847, 5472)]