21856674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16787}}^1$

素因数の和:16830

約数の個数: 32

約数和(自身を含む): 51572736

約数和(自身を除く): 29716062

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16787, 33574, 50361, 100722, 117509, 235018, 352527, 520397, 705054, 1040794, 1561191, 3122382, 3642779, 7285558, 10928337, 21856674]

約数ペア:

[(1, 21856674), (2, 10928337), (3, 7285558), (6, 3642779), (7, 3122382), (14, 1561191), (21, 1040794), (31, 705054), (42, 520397), (62, 352527), (93, 235018), (186, 117509), (217, 100722), (434, 50361), (651, 33574), (1302, 16787)]