21347150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 23181250

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 925, 1049, 1850, 2035, 2098, 4070, 5245, 10175, 10490, 11539, 20350, 23078, 26225, 38813, 52450, 57695, 77626, 115390, 194065, 288475, 388130, 426943, 576950, 853886, 970325, 1940650, 2134715, 4269430, 10673575, 21347150]

約数ペア:

[(1, 21347150), (2, 10673575), (5, 4269430), (10, 2134715), (11, 1940650), (22, 970325), (25, 853886), (37, 576950), (50, 426943), (55, 388130), (74, 288475), (110, 194065), (185, 115390), (275, 77626), (370, 57695), (407, 52450), (550, 38813), (814, 26225), (925, 23078), (1049, 20350), (1850, 11539), (2035, 10490), (2098, 10175), (4070, 5245)]