21629685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 43997184

約数和(自身を除く): 22367499

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 61, 77, 105, 165, 183, 231, 305, 307, 385, 427, 671, 915, 921, 1155, 1281, 1535, 2013, 2135, 2149, 3355, 3377, 4605, 4697, 6405, 6447, 10065, 10131, 10745, 14091, 16885, 18727, 23485, 23639, 32235, 50655, 56181, 70455, 70917, 93635, 118195, 131089, 205997, 280905, 354585, 393267, 617991, 655445, 1029985, 1441979, 1966335, 3089955, 4325937, 7209895, 21629685]

約数ペア:

[(1, 21629685), (3, 7209895), (5, 4325937), (7, 3089955), (11, 1966335), (15, 1441979), (21, 1029985), (33, 655445), (35, 617991), (55, 393267), (61, 354585), (77, 280905), (105, 205997), (165, 131089), (183, 118195), (231, 93635), (305, 70917), (307, 70455), (385, 56181), (427, 50655), (671, 32235), (915, 23639), (921, 23485), (1155, 18727), (1281, 16885), (1535, 14091), (2013, 10745), (2135, 10131), (2149, 10065), (3355, 6447), (3377, 6405), (4605, 4697)]