21767840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3677}}^1$

素因数の和:3729

約数の個数: 48

約数和(自身を含む): 52830792

約数和(自身を除く): 31062952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3677, 5920, 7354, 14708, 18385, 29416, 36770, 58832, 73540, 117664, 136049, 147080, 272098, 294160, 544196, 588320, 680245, 1088392, 1360490, 2176784, 2720980, 4353568, 5441960, 10883920, 21767840]

約数ペア:

[(1, 21767840), (2, 10883920), (4, 5441960), (5, 4353568), (8, 2720980), (10, 2176784), (16, 1360490), (20, 1088392), (32, 680245), (37, 588320), (40, 544196), (74, 294160), (80, 272098), (148, 147080), (160, 136049), (185, 117664), (296, 73540), (370, 58832), (592, 36770), (740, 29416), (1184, 18385), (1480, 14708), (2960, 7354), (3677, 5920)]