21414280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3593}}^1$

素因数の和:3753

約数の個数: 32

約数和(自身を含む): 48519000

約数和(自身を除く): 27104720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 3593, 5960, 7186, 14372, 17965, 28744, 35930, 71860, 143720, 535357, 1070714, 2141428, 2676785, 4282856, 5353570, 10707140, 21414280]

約数ペア:

[(1, 21414280), (2, 10707140), (4, 5353570), (5, 4282856), (8, 2676785), (10, 2141428), (20, 1070714), (40, 535357), (149, 143720), (298, 71860), (596, 35930), (745, 28744), (1192, 17965), (1490, 14372), (2980, 7186), (3593, 5960)]