21371925890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{874823}}^1$

素因数の和:875186

約数の個数: 32

約数和(自身を含む): 44091129600

約数和(自身を除く): 22719203710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 1745, 2443, 3490, 4886, 12215, 24430, 874823, 1749646, 4374115, 6123761, 8748230, 12247522, 30618805, 61237610, 305313227, 610626454, 1526566135, 2137192589, 3053132270, 4274385178, 10685962945, 21371925890]

約数ペア:

[(1, 21371925890), (2, 10685962945), (5, 4274385178), (7, 3053132270), (10, 2137192589), (14, 1526566135), (35, 610626454), (70, 305313227), (349, 61237610), (698, 30618805), (1745, 12247522), (2443, 8748230), (3490, 6123761), (4886, 4374115), (12215, 1749646), (24430, 874823)]