21152430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 38994930

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 101, 117, 130, 179, 195, 202, 234, 303, 358, 390, 505, 537, 585, 606, 895, 909, 1010, 1074, 1170, 1313, 1515, 1611, 1790, 1818, 2327, 2626, 2685, 3030, 3222, 3939, 4545, 4654, 5370, 6565, 6981, 7878, 8055, 9090, 11635, 11817, 13130, 13962, 16110, 18079, 19695, 20943, 23270, 23634, 34905, 36158, 39390, 41886, 54237, 59085, 69810, 90395, 104715, 108474, 118170, 162711, 180790, 209430, 235027, 271185, 325422, 470054, 542370, 705081, 813555, 1175135, 1410162, 1627110, 2115243, 2350270, 3525405, 4230486, 7050810, 10576215, 21152430]

約数ペア:

[(1, 21152430), (2, 10576215), (3, 7050810), (5, 4230486), (6, 3525405), (9, 2350270), (10, 2115243), (13, 1627110), (15, 1410162), (18, 1175135), (26, 813555), (30, 705081), (39, 542370), (45, 470054), (65, 325422), (78, 271185), (90, 235027), (101, 209430), (117, 180790), (130, 162711), (179, 118170), (195, 108474), (202, 104715), (234, 90395), (303, 69810), (358, 59085), (390, 54237), (505, 41886), (537, 39390), (585, 36158), (606, 34905), (895, 23634), (909, 23270), (1010, 20943), (1074, 19695), (1170, 18079), (1313, 16110), (1515, 13962), (1611, 13130), (1790, 11817), (1818, 11635), (2327, 9090), (2626, 8055), (2685, 7878), (3030, 6981), (3222, 6565), (3939, 5370), (4545, 4654)]