21533988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{953}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 57697920

約数和(自身を除く): 36163932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 269, 538, 807, 953, 1076, 1614, 1883, 1906, 2859, 3228, 3766, 3812, 5649, 5718, 6671, 7532, 11298, 11436, 13342, 20013, 22596, 26684, 40026, 80052, 256357, 512714, 769071, 1025428, 1538142, 1794499, 3076284, 3588998, 5383497, 7177996, 10766994, 21533988]

約数ペア:

[(1, 21533988), (2, 10766994), (3, 7177996), (4, 5383497), (6, 3588998), (7, 3076284), (12, 1794499), (14, 1538142), (21, 1025428), (28, 769071), (42, 512714), (84, 256357), (269, 80052), (538, 40026), (807, 26684), (953, 22596), (1076, 20013), (1614, 13342), (1883, 11436), (1906, 11298), (2859, 7532), (3228, 6671), (3766, 5718), (3812, 5649)]