21094420472

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1\times {\mathrm{673}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 40507292160

約数和(自身を除く): 19412871688

約数列:

[1, 2, 4, 8, 73, 146, 191, 281, 292, 382, 562, 584, 673, 764, 1124, 1346, 1528, 2248, 2692, 5384, 13943, 20513, 27886, 41026, 49129, 53671, 55772, 82052, 98258, 107342, 111544, 128543, 164104, 189113, 196516, 214684, 257086, 378226, 393032, 429368, 514172, 756452, 1028344, 1512904, 3917983, 7835966, 9383639, 13805249, 15671932, 18767278, 27610498, 31343864, 36120583, 37534556, 55220996, 72241166, 75069112, 110441992, 144482332, 288964664, 2636802559, 5273605118, 10547210236, 21094420472]

約数ペア:

[(1, 21094420472), (2, 10547210236), (4, 5273605118), (8, 2636802559), (73, 288964664), (146, 144482332), (191, 110441992), (281, 75069112), (292, 72241166), (382, 55220996), (562, 37534556), (584, 36120583), (673, 31343864), (764, 27610498), (1124, 18767278), (1346, 15671932), (1528, 13805249), (2248, 9383639), (2692, 7835966), (5384, 3917983), (13943, 1512904), (20513, 1028344), (27886, 756452), (41026, 514172), (49129, 429368), (53671, 393032), (55772, 378226), (82052, 257086), (98258, 214684), (107342, 196516), (111544, 189113), (128543, 164104)]