21695806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15317954

約数列:

[1, 2, 11, 22, 41, 67, 82, 134, 359, 451, 718, 737, 902, 1474, 2747, 3949, 5494, 7898, 14719, 24053, 29438, 30217, 48106, 60434, 161909, 264583, 323818, 529166, 986173, 1972346, 10847903, 21695806]

約数ペア:

[(1, 21695806), (2, 10847903), (11, 1972346), (22, 986173), (41, 529166), (67, 323818), (82, 264583), (134, 161909), (359, 60434), (451, 48106), (718, 30217), (737, 29438), (902, 24053), (1474, 14719), (2747, 7898), (3949, 5494)]