21126632

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 42055200

約数和(自身を除く): 20928568

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 1061, 2122, 2489, 4244, 4978, 8488, 9956, 19912, 20159, 40318, 80636, 138991, 161272, 277982, 555964, 1111928, 2640829, 5281658, 10563316, 21126632]

約数ペア:

[(1, 21126632), (2, 10563316), (4, 5281658), (8, 2640829), (19, 1111928), (38, 555964), (76, 277982), (131, 161272), (152, 138991), (262, 80636), (524, 40318), (1048, 20159), (1061, 19912), (2122, 9956), (2489, 8488), (4244, 4978)]