21246446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 15797554

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 1049, 1066, 1558, 2098, 10127, 13637, 19931, 20254, 27274, 39862, 43009, 86018, 259103, 518206, 559117, 817171, 1118234, 1634342, 10623223, 21246446]

約数ペア:

[(1, 21246446), (2, 10623223), (13, 1634342), (19, 1118234), (26, 817171), (38, 559117), (41, 518206), (82, 259103), (247, 86018), (494, 43009), (533, 39862), (779, 27274), (1049, 20254), (1066, 19931), (1558, 13637), (2098, 10127)]