21655236

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 54448128

約数和(自身を除く): 32792892

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2531, 2852, 4278, 5062, 7593, 8556, 10124, 15186, 30372, 58213, 78461, 116426, 156922, 174639, 232852, 235383, 313844, 349278, 470766, 698556, 941532, 1804603, 3609206, 5413809, 7218412, 10827618, 21655236]

約数ペア:

[(1, 21655236), (2, 10827618), (3, 7218412), (4, 5413809), (6, 3609206), (12, 1804603), (23, 941532), (31, 698556), (46, 470766), (62, 349278), (69, 313844), (92, 235383), (93, 232852), (124, 174639), (138, 156922), (186, 116426), (276, 78461), (372, 58213), (713, 30372), (1426, 15186), (2139, 10124), (2531, 8556), (2852, 7593), (4278, 5062)]