21143352

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 35016648

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 199, 228, 233, 398, 456, 466, 597, 699, 796, 932, 1194, 1398, 1592, 1864, 2388, 2796, 3781, 4427, 4776, 5592, 7562, 8854, 11343, 13281, 15124, 17708, 22686, 26562, 30248, 35416, 45372, 46367, 53124, 90744, 92734, 106248, 139101, 185468, 278202, 370936, 556404, 880973, 1112808, 1761946, 2642919, 3523892, 5285838, 7047784, 10571676, 21143352]

約数ペア:

[(1, 21143352), (2, 10571676), (3, 7047784), (4, 5285838), (6, 3523892), (8, 2642919), (12, 1761946), (19, 1112808), (24, 880973), (38, 556404), (57, 370936), (76, 278202), (114, 185468), (152, 139101), (199, 106248), (228, 92734), (233, 90744), (398, 53124), (456, 46367), (466, 45372), (597, 35416), (699, 30248), (796, 26562), (932, 22686), (1194, 17708), (1398, 15124), (1592, 13281), (1864, 11343), (2388, 8854), (2796, 7562), (3781, 5592), (4427, 4776)]