21727732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 43972992

約数和(自身を除く): 22245260

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 148, 299, 481, 491, 598, 851, 962, 982, 1196, 1702, 1924, 1964, 3404, 6383, 11063, 11293, 12766, 18167, 22126, 22586, 25532, 36334, 44252, 45172, 72668, 146809, 236171, 293618, 417841, 472342, 587236, 835682, 944684, 1671364, 5431933, 10863866, 21727732]

約数ペア:

[(1, 21727732), (2, 10863866), (4, 5431933), (13, 1671364), (23, 944684), (26, 835682), (37, 587236), (46, 472342), (52, 417841), (74, 293618), (92, 236171), (148, 146809), (299, 72668), (481, 45172), (491, 44252), (598, 36334), (851, 25532), (962, 22586), (982, 22126), (1196, 18167), (1702, 12766), (1924, 11293), (1964, 11063), (3404, 6383)]