21358400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1907}}^1$

素因数の和:1936

約数の個数: 84

約数和(自身を含む): 60094368

約数和(自身を除く): 38735968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1907, 2240, 2800, 3814, 5600, 7628, 9535, 11200, 13349, 15256, 19070, 26698, 30512, 38140, 47675, 53396, 61024, 66745, 76280, 95350, 106792, 122048, 133490, 152560, 190700, 213584, 266980, 305120, 333725, 381400, 427168, 533960, 610240, 667450, 762800, 854336, 1067920, 1334900, 1525600, 2135840, 2669800, 3051200, 4271680, 5339600, 10679200, 21358400]

約数ペア:

[(1, 21358400), (2, 10679200), (4, 5339600), (5, 4271680), (7, 3051200), (8, 2669800), (10, 2135840), (14, 1525600), (16, 1334900), (20, 1067920), (25, 854336), (28, 762800), (32, 667450), (35, 610240), (40, 533960), (50, 427168), (56, 381400), (64, 333725), (70, 305120), (80, 266980), (100, 213584), (112, 190700), (140, 152560), (160, 133490), (175, 122048), (200, 106792), (224, 95350), (280, 76280), (320, 66745), (350, 61024), (400, 53396), (448, 47675), (560, 38140), (700, 30512), (800, 26698), (1120, 19070), (1400, 15256), (1600, 13349), (1907, 11200), (2240, 9535), (2800, 7628), (3814, 5600)]