21234514980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50558369}}^1$

素因数の和:50558388

約数の個数: 48

約数和(自身を含む): 67950449280

約数和(自身を除く): 46715934300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50558369, 101116738, 151675107, 202233476, 252791845, 303350214, 353908583, 505583690, 606700428, 707817166, 758375535, 1011167380, 1061725749, 1415634332, 1516751070, 1769542915, 2123451498, 3033502140, 3539085830, 4246902996, 5308628745, 7078171660, 10617257490, 21234514980]

約数ペア:

[(1, 21234514980), (2, 10617257490), (3, 7078171660), (4, 5308628745), (5, 4246902996), (6, 3539085830), (7, 3033502140), (10, 2123451498), (12, 1769542915), (14, 1516751070), (15, 1415634332), (20, 1061725749), (21, 1011167380), (28, 758375535), (30, 707817166), (35, 606700428), (42, 505583690), (60, 353908583), (70, 303350214), (84, 252791845), (105, 202233476), (140, 151675107), (210, 101116738), (420, 50558369)]