21868035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12251}}^1$

素因数の和:12283

約数の個数: 32

約数和(自身を含む): 42342912

約数和(自身を除く): 20474877

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12251, 36753, 61255, 85757, 183765, 208267, 257271, 428785, 624801, 1041335, 1286355, 1457869, 3124005, 4373607, 7289345, 21868035]

約数ペア:

[(1, 21868035), (3, 7289345), (5, 4373607), (7, 3124005), (15, 1457869), (17, 1286355), (21, 1041335), (35, 624801), (51, 428785), (85, 257271), (105, 208267), (119, 183765), (255, 85757), (357, 61255), (595, 36753), (1785, 12251)]