21184482

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28581918

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 79, 102, 158, 187, 237, 239, 374, 474, 478, 561, 717, 869, 1122, 1343, 1434, 1738, 2607, 2629, 2686, 4029, 4063, 5214, 5258, 7887, 8058, 8126, 12189, 14773, 15774, 18881, 24378, 29546, 37762, 44319, 44693, 56643, 88638, 89386, 113286, 134079, 207691, 268158, 320977, 415382, 623073, 641954, 962931, 1246146, 1925862, 3530747, 7061494, 10592241, 21184482]

約数ペア:

[(1, 21184482), (2, 10592241), (3, 7061494), (6, 3530747), (11, 1925862), (17, 1246146), (22, 962931), (33, 641954), (34, 623073), (51, 415382), (66, 320977), (79, 268158), (102, 207691), (158, 134079), (187, 113286), (237, 89386), (239, 88638), (374, 56643), (474, 44693), (478, 44319), (561, 37762), (717, 29546), (869, 24378), (1122, 18881), (1343, 15774), (1434, 14773), (1738, 12189), (2607, 8126), (2629, 8058), (2686, 7887), (4029, 5258), (4063, 5214)]