21203088

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 58686720

約数和(自身を除く): 37483632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 67, 76, 114, 134, 152, 201, 228, 268, 304, 347, 402, 456, 536, 694, 804, 912, 1041, 1072, 1273, 1388, 1608, 2082, 2546, 2776, 3216, 3819, 4164, 5092, 5552, 6593, 7638, 8328, 10184, 13186, 15276, 16656, 19779, 20368, 23249, 26372, 30552, 39558, 46498, 52744, 61104, 69747, 79116, 92996, 105488, 139494, 158232, 185992, 278988, 316464, 371984, 441731, 557976, 883462, 1115952, 1325193, 1766924, 2650386, 3533848, 5300772, 7067696, 10601544, 21203088]

約数ペア:

[(1, 21203088), (2, 10601544), (3, 7067696), (4, 5300772), (6, 3533848), (8, 2650386), (12, 1766924), (16, 1325193), (19, 1115952), (24, 883462), (38, 557976), (48, 441731), (57, 371984), (67, 316464), (76, 278988), (114, 185992), (134, 158232), (152, 139494), (201, 105488), (228, 92996), (268, 79116), (304, 69747), (347, 61104), (402, 52744), (456, 46498), (536, 39558), (694, 30552), (804, 26372), (912, 23249), (1041, 20368), (1072, 19779), (1273, 16656), (1388, 15276), (1608, 13186), (2082, 10184), (2546, 8328), (2776, 7638), (3216, 6593), (3819, 5552), (4164, 5092)]