21432306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 50232960

約数和(自身を除く): 28800654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 269, 271, 294, 538, 542, 807, 813, 1614, 1626, 1883, 1897, 3766, 3794, 5649, 5691, 11298, 11382, 13181, 13279, 26362, 26558, 39543, 39837, 72899, 79086, 79674, 145798, 218697, 437394, 510293, 1020586, 1530879, 3061758, 3572051, 7144102, 10716153, 21432306]

約数ペア:

[(1, 21432306), (2, 10716153), (3, 7144102), (6, 3572051), (7, 3061758), (14, 1530879), (21, 1020586), (42, 510293), (49, 437394), (98, 218697), (147, 145798), (269, 79674), (271, 79086), (294, 72899), (538, 39837), (542, 39543), (807, 26558), (813, 26362), (1614, 13279), (1626, 13181), (1883, 11382), (1897, 11298), (3766, 5691), (3794, 5649)]