21415600

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1502

約数の個数: 60

約数和(自身を含む): 52878064

約数和(自身を除く): 31462464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1447, 1480, 1850, 2894, 2960, 3700, 5788, 7235, 7400, 11576, 14470, 14800, 23152, 28940, 36175, 53539, 57880, 72350, 107078, 115760, 144700, 214156, 267695, 289400, 428312, 535390, 578800, 856624, 1070780, 1338475, 2141560, 2676950, 4283120, 5353900, 10707800, 21415600]

約数ペア:

[(1, 21415600), (2, 10707800), (4, 5353900), (5, 4283120), (8, 2676950), (10, 2141560), (16, 1338475), (20, 1070780), (25, 856624), (37, 578800), (40, 535390), (50, 428312), (74, 289400), (80, 267695), (100, 214156), (148, 144700), (185, 115760), (200, 107078), (296, 72350), (370, 57880), (400, 53539), (592, 36175), (740, 28940), (925, 23152), (1447, 14800), (1480, 14470), (1850, 11576), (2894, 7400), (2960, 7235), (3700, 5788)]