21000453630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{300823}}^1$

素因数の和:301025

約数の個数: 64

約数和(自身を含む): 54581506560

約数和(自身を除く): 33581052930

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 358, 390, 537, 895, 1074, 1790, 2327, 2685, 4654, 5370, 6981, 11635, 13962, 23270, 34905, 69810, 300823, 601646, 902469, 1504115, 1804938, 3008230, 3910699, 4512345, 7821398, 9024690, 11732097, 19553495, 23464194, 39106990, 53847317, 58660485, 107694634, 117320970, 161541951, 269236585, 323083902, 538473170, 700015121, 807709755, 1400030242, 1615419510, 2100045363, 3500075605, 4200090726, 7000151210, 10500226815, 21000453630]

約数ペア:

[(1, 21000453630), (2, 10500226815), (3, 7000151210), (5, 4200090726), (6, 3500075605), (10, 2100045363), (13, 1615419510), (15, 1400030242), (26, 807709755), (30, 700015121), (39, 538473170), (65, 323083902), (78, 269236585), (130, 161541951), (179, 117320970), (195, 107694634), (358, 58660485), (390, 53847317), (537, 39106990), (895, 23464194), (1074, 19553495), (1790, 11732097), (2327, 9024690), (2685, 7821398), (4654, 4512345), (5370, 3910699), (6981, 3008230), (11635, 1804938), (13962, 1504115), (23270, 902469), (34905, 601646), (69810, 300823)]