21922215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{743}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 40283136

約数和(自身を除く): 18360921

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 281, 743, 843, 1405, 1967, 2229, 3715, 4215, 5201, 5901, 9835, 11145, 15603, 26005, 29505, 78015, 208783, 626349, 1043915, 1461481, 3131745, 4384443, 7307405, 21922215]

約数ペア:

[(1, 21922215), (3, 7307405), (5, 4384443), (7, 3131745), (15, 1461481), (21, 1043915), (35, 626349), (105, 208783), (281, 78015), (743, 29505), (843, 26005), (1405, 15603), (1967, 11145), (2229, 9835), (3715, 5901), (4215, 5201)]