21488110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1223}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 22928402

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1223, 1255, 1757, 2446, 2510, 3514, 6115, 8561, 8785, 12230, 17122, 17570, 42805, 85610, 306973, 613946, 1534865, 2148811, 3069730, 4297622, 10744055, 21488110]

約数ペア:

[(1, 21488110), (2, 10744055), (5, 4297622), (7, 3069730), (10, 2148811), (14, 1534865), (35, 613946), (70, 306973), (251, 85610), (502, 42805), (1223, 17570), (1255, 17122), (1757, 12230), (2446, 8785), (2510, 8561), (3514, 6115)]