21001806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7247}}^1$

素因数の和:7285

約数の個数: 48

約数和(自身を含む): 54273024

約数和(自身を除く): 33271218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7247, 14494, 21741, 43482, 50729, 65223, 101458, 130446, 152187, 166681, 304374, 333362, 456561, 500043, 913122, 1000086, 1166767, 1500129, 2333534, 3000258, 3500301, 7000602, 10500903, 21001806]

約数ペア:

[(1, 21001806), (2, 10500903), (3, 7000602), (6, 3500301), (7, 3000258), (9, 2333534), (14, 1500129), (18, 1166767), (21, 1000086), (23, 913122), (42, 500043), (46, 456561), (63, 333362), (69, 304374), (126, 166681), (138, 152187), (161, 130446), (207, 101458), (322, 65223), (414, 50729), (483, 43482), (966, 21741), (1449, 14494), (2898, 7247)]