21533538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{769}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25036062

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 359, 718, 769, 1077, 1538, 2154, 2307, 4614, 4667, 9334, 9997, 14001, 19994, 28002, 29991, 59982, 276071, 552142, 828213, 1656426, 3588923, 7177846, 10766769, 21533538]

約数ペア:

[(1, 21533538), (2, 10766769), (3, 7177846), (6, 3588923), (13, 1656426), (26, 828213), (39, 552142), (78, 276071), (359, 59982), (718, 29991), (769, 28002), (1077, 19994), (1538, 14001), (2154, 9997), (2307, 9334), (4614, 4667)]