21576800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3853}}^1$

素因数の和:3880

約数の個数: 72

約数和(自身を含む): 60214896

約数和(自身を除く): 38638096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3853, 5600, 7706, 15412, 19265, 26971, 30824, 38530, 53942, 61648, 77060, 96325, 107884, 123296, 134855, 154120, 192650, 215768, 269710, 308240, 385300, 431536, 539420, 616480, 674275, 770600, 863072, 1078840, 1348550, 1541200, 2157680, 2697100, 3082400, 4315360, 5394200, 10788400, 21576800]

約数ペア:

[(1, 21576800), (2, 10788400), (4, 5394200), (5, 4315360), (7, 3082400), (8, 2697100), (10, 2157680), (14, 1541200), (16, 1348550), (20, 1078840), (25, 863072), (28, 770600), (32, 674275), (35, 616480), (40, 539420), (50, 431536), (56, 385300), (70, 308240), (80, 269710), (100, 215768), (112, 192650), (140, 154120), (160, 134855), (175, 123296), (200, 107884), (224, 96325), (280, 77060), (350, 61648), (400, 53942), (560, 38530), (700, 30824), (800, 26971), (1120, 19265), (1400, 15412), (2800, 7706), (3853, 5600)]