21469600

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 53621568

約数和(自身を除く): 32151968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 571, 752, 800, 940, 1142, 1175, 1504, 1880, 2284, 2350, 2855, 3760, 4568, 4700, 5710, 7520, 9136, 9400, 11420, 14275, 18272, 18800, 22840, 26837, 28550, 37600, 45680, 53674, 57100, 91360, 107348, 114200, 134185, 214696, 228400, 268370, 429392, 456800, 536740, 670925, 858784, 1073480, 1341850, 2146960, 2683700, 4293920, 5367400, 10734800, 21469600]

約数ペア:

[(1, 21469600), (2, 10734800), (4, 5367400), (5, 4293920), (8, 2683700), (10, 2146960), (16, 1341850), (20, 1073480), (25, 858784), (32, 670925), (40, 536740), (47, 456800), (50, 429392), (80, 268370), (94, 228400), (100, 214696), (160, 134185), (188, 114200), (200, 107348), (235, 91360), (376, 57100), (400, 53674), (470, 45680), (571, 37600), (752, 28550), (800, 26837), (940, 22840), (1142, 18800), (1175, 18272), (1504, 14275), (1880, 11420), (2284, 9400), (2350, 9136), (2855, 7520), (3760, 5710), (4568, 4700)]