21167177290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{84869}}^1$

素因数の和:85399

約数の個数: 48

約数和(自身を含む): 44409076200

約数和(自身を除く): 23241898910

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, 84869, 124705, 169738, 249410, 424345, 594083, 848690, 1188166, 2970415, 4158581, 5940830, 8317162, 20792905, 41585810, 43198321, 86396642, 215991605, 302388247, 431983210, 604776494, 1511941235, 2116717729, 3023882470, 4233435458, 10583588645, 21167177290]

約数ペア:

[(1, 21167177290), (2, 10583588645), (5, 4233435458), (7, 3023882470), (10, 2116717729), (14, 1511941235), (35, 604776494), (49, 431983210), (70, 302388247), (98, 215991605), (245, 86396642), (490, 43198321), (509, 41585810), (1018, 20792905), (2545, 8317162), (3563, 5940830), (5090, 4158581), (7126, 2970415), (17815, 1188166), (24941, 848690), (35630, 594083), (49882, 424345), (84869, 249410), (124705, 169738)]