21488776

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 41811840

約数和(自身を除く): 20323064

約数列:

[1, 2, 4, 8, 47, 67, 94, 134, 188, 268, 376, 536, 853, 1706, 3149, 3412, 6298, 6824, 12596, 25192, 40091, 57151, 80182, 114302, 160364, 228604, 320728, 457208, 2686097, 5372194, 10744388, 21488776]

約数ペア:

[(1, 21488776), (2, 10744388), (4, 5372194), (8, 2686097), (47, 457208), (67, 320728), (94, 228604), (134, 160364), (188, 114302), (268, 80182), (376, 57151), (536, 40091), (853, 25192), (1706, 12596), (3149, 6824), (3412, 6298)]