21083636

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 44330496

約数和(自身を除く): 23246860

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 433, 518, 658, 866, 1036, 1316, 1732, 1739, 3031, 3478, 6062, 6956, 12124, 12173, 16021, 20351, 24346, 32042, 40702, 48692, 64084, 81404, 112147, 142457, 224294, 284914, 448588, 569828, 752987, 1505974, 3011948, 5270909, 10541818, 21083636]

約数ペア:

[(1, 21083636), (2, 10541818), (4, 5270909), (7, 3011948), (14, 1505974), (28, 752987), (37, 569828), (47, 448588), (74, 284914), (94, 224294), (148, 142457), (188, 112147), (259, 81404), (329, 64084), (433, 48692), (518, 40702), (658, 32042), (866, 24346), (1036, 20351), (1316, 16021), (1732, 12173), (1739, 12124), (3031, 6956), (3478, 6062)]