21122514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3163}}^1$

素因数の和:3231

約数の個数: 48

約数和(自身を含む): 53307072

約数和(自身を除く): 32184558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3163, 3339, 6326, 6678, 9489, 18978, 22141, 28467, 44282, 56934, 66423, 132846, 167639, 199269, 335278, 398538, 502917, 1005834, 1173473, 1508751, 2346946, 3017502, 3520419, 7040838, 10561257, 21122514]

約数ペア:

[(1, 21122514), (2, 10561257), (3, 7040838), (6, 3520419), (7, 3017502), (9, 2346946), (14, 1508751), (18, 1173473), (21, 1005834), (42, 502917), (53, 398538), (63, 335278), (106, 199269), (126, 167639), (159, 132846), (318, 66423), (371, 56934), (477, 44282), (742, 28467), (954, 22141), (1113, 18978), (2226, 9489), (3163, 6678), (3339, 6326)]