21275421230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{85303}}^1$

素因数の和:85833

約数の個数: 48

約数和(自身を含む): 44636171040

約数和(自身を除く): 23360749810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 509, 1018, 2545, 3563, 5090, 7126, 17815, 24941, 35630, 49882, 85303, 124705, 170606, 249410, 426515, 597121, 853030, 1194242, 2985605, 4179847, 5971210, 8359694, 20899235, 41798470, 43419227, 86838454, 217096135, 303934589, 434192270, 607869178, 1519672945, 2127542123, 3039345890, 4255084246, 10637710615, 21275421230]

約数ペア:

[(1, 21275421230), (2, 10637710615), (5, 4255084246), (7, 3039345890), (10, 2127542123), (14, 1519672945), (35, 607869178), (49, 434192270), (70, 303934589), (98, 217096135), (245, 86838454), (490, 43419227), (509, 41798470), (1018, 20899235), (2545, 8359694), (3563, 5971210), (5090, 4179847), (7126, 2985605), (17815, 1194242), (24941, 853030), (35630, 597121), (49882, 426515), (85303, 249410), (124705, 170606)]