21955360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19603}}^1$

素因数の和:19625

約数の個数: 48

約数和(自身を含む): 59282496

約数和(自身を除く): 37327136

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, 19603, 39206, 78412, 98015, 137221, 156824, 196030, 274442, 313648, 392060, 548884, 627296, 686105, 784120, 1097768, 1372210, 1568240, 2195536, 2744420, 3136480, 4391072, 5488840, 10977680, 21955360]

約数ペア:

[(1, 21955360), (2, 10977680), (4, 5488840), (5, 4391072), (7, 3136480), (8, 2744420), (10, 2195536), (14, 1568240), (16, 1372210), (20, 1097768), (28, 784120), (32, 686105), (35, 627296), (40, 548884), (56, 392060), (70, 313648), (80, 274442), (112, 196030), (140, 156824), (160, 137221), (224, 98015), (280, 78412), (560, 39206), (1120, 19603)]