21268566

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 50656320

約数和(自身を除く): 29387754

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 163, 198, 326, 489, 659, 978, 1318, 1467, 1793, 1977, 2934, 3586, 3954, 5379, 5931, 7249, 10758, 11862, 14498, 16137, 21747, 32274, 43494, 65241, 107417, 130482, 214834, 322251, 644502, 966753, 1181587, 1933506, 2363174, 3544761, 7089522, 10634283, 21268566]

約数ペア:

[(1, 21268566), (2, 10634283), (3, 7089522), (6, 3544761), (9, 2363174), (11, 1933506), (18, 1181587), (22, 966753), (33, 644502), (66, 322251), (99, 214834), (163, 130482), (198, 107417), (326, 65241), (489, 43494), (659, 32274), (978, 21747), (1318, 16137), (1467, 14498), (1793, 11862), (1977, 10758), (2934, 7249), (3586, 5931), (3954, 5379)]