21549948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15091}}^1$

素因数の和:15122

約数の個数: 48

約数和(自身を含む): 60850944

約数和(自身を除く): 39300996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15091, 30182, 45273, 60364, 90546, 105637, 181092, 211274, 256547, 316911, 422548, 513094, 633822, 769641, 1026188, 1267644, 1539282, 1795829, 3078564, 3591658, 5387487, 7183316, 10774974, 21549948]

約数ペア:

[(1, 21549948), (2, 10774974), (3, 7183316), (4, 5387487), (6, 3591658), (7, 3078564), (12, 1795829), (14, 1539282), (17, 1267644), (21, 1026188), (28, 769641), (34, 633822), (42, 513094), (51, 422548), (68, 316911), (84, 256547), (102, 211274), (119, 181092), (204, 105637), (238, 90546), (357, 60364), (476, 45273), (714, 30182), (1428, 15091)]