21515673618

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{827}}^1\times {\mathrm{27271}}^1$

素因数の和:28159

約数の個数: 48

約数和(自身を含む): 47556040896

約数和(自身を除く): 26040367278

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 827, 954, 1654, 2481, 4962, 7443, 14886, 27271, 43831, 54542, 81813, 87662, 131493, 163626, 245439, 262986, 394479, 490878, 788958, 1445363, 2890726, 4336089, 8672178, 13008267, 22553117, 26016534, 45106234, 67659351, 135318702, 202978053, 405956106, 1195315201, 2390630402, 3585945603, 7171891206, 10757836809, 21515673618]

約数ペア:

[(1, 21515673618), (2, 10757836809), (3, 7171891206), (6, 3585945603), (9, 2390630402), (18, 1195315201), (53, 405956106), (106, 202978053), (159, 135318702), (318, 67659351), (477, 45106234), (827, 26016534), (954, 22553117), (1654, 13008267), (2481, 8672178), (4962, 4336089), (7443, 2890726), (14886, 1445363), (27271, 788958), (43831, 490878), (54542, 394479), (81813, 262986), (87662, 245439), (131493, 163626)]