21796590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5227}}^1$

素因数の和:5376

約数の個数: 32

約数和(自身を含む): 52698240

約数和(自身を除く): 30901650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5227, 10454, 15681, 26135, 31362, 52270, 78405, 156810, 726553, 1453106, 2179659, 3632765, 4359318, 7265530, 10898295, 21796590]

約数ペア:

[(1, 21796590), (2, 10898295), (3, 7265530), (5, 4359318), (6, 3632765), (10, 2179659), (15, 1453106), (30, 726553), (139, 156810), (278, 78405), (417, 52270), (695, 31362), (834, 26135), (1390, 15681), (2085, 10454), (4170, 5227)]