21432880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38273}}^1$

素因数の和:38293

約数の個数: 40

約数和(自身を含む): 56951712

約数和(自身を除く): 35518832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38273, 76546, 153092, 191365, 267911, 306184, 382730, 535822, 612368, 765460, 1071644, 1339555, 1530920, 2143288, 2679110, 3061840, 4286576, 5358220, 10716440, 21432880]

約数ペア:

[(1, 21432880), (2, 10716440), (4, 5358220), (5, 4286576), (7, 3061840), (8, 2679110), (10, 2143288), (14, 1530920), (16, 1339555), (20, 1071644), (28, 765460), (35, 612368), (40, 535822), (56, 382730), (70, 306184), (80, 267911), (112, 191365), (140, 153092), (280, 76546), (560, 38273)]