21869130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728971}}^1$

素因数の和:728981

約数の個数: 16

約数和(自身を含む): 52485984

約数和(自身を除く): 30616854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728971, 1457942, 2186913, 3644855, 4373826, 7289710, 10934565, 21869130]

約数ペア:

[(1, 21869130), (2, 10934565), (3, 7289710), (5, 4373826), (6, 3644855), (10, 2186913), (15, 1457942), (30, 728971)]