21731360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19403}}^1$

素因数の和:19425

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 36946336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19403, 38806, 77612, 97015, 135821, 155224, 194030, 271642, 310448, 388060, 543284, 620896, 679105, 776120, 1086568, 1358210, 1552240, 2173136, 2716420, 3104480, 4346272, 5432840, 10865680, 21731360]

約数ペア:

[(1, 21731360), (2, 10865680), (4, 5432840), (5, 4346272), (7, 3104480), (8, 2716420), (10, 2173136), (14, 1552240), (16, 1358210), (20, 1086568), (28, 776120), (32, 679105), (35, 620896), (40, 543284), (56, 388060), (70, 310448), (80, 271642), (112, 194030), (140, 155224), (160, 135821), (224, 97015), (280, 77612), (560, 38806), (1120, 19403)]