21802326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 54501888

約数和(自身を除く): 32699562

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 547, 949, 1022, 1094, 1533, 1641, 1898, 2847, 3066, 3282, 3829, 5694, 6643, 7111, 7658, 11487, 13286, 14222, 19929, 21333, 22974, 39858, 39931, 42666, 49777, 79862, 99554, 119793, 149331, 239586, 279517, 298662, 519103, 559034, 838551, 1038206, 1557309, 1677102, 3114618, 3633721, 7267442, 10901163, 21802326]

約数ペア:

[(1, 21802326), (2, 10901163), (3, 7267442), (6, 3633721), (7, 3114618), (13, 1677102), (14, 1557309), (21, 1038206), (26, 838551), (39, 559034), (42, 519103), (73, 298662), (78, 279517), (91, 239586), (146, 149331), (182, 119793), (219, 99554), (273, 79862), (438, 49777), (511, 42666), (546, 39931), (547, 39858), (949, 22974), (1022, 21333), (1094, 19929), (1533, 14222), (1641, 13286), (1898, 11487), (2847, 7658), (3066, 7111), (3282, 6643), (3829, 5694)]