21548044

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 26714996

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 49, 58, 68, 98, 116, 119, 196, 203, 223, 238, 406, 446, 476, 493, 812, 833, 892, 986, 1421, 1561, 1666, 1972, 2842, 3122, 3332, 3451, 3791, 5684, 6244, 6467, 6902, 7582, 10927, 12934, 13804, 15164, 21854, 24157, 25868, 26537, 43708, 45269, 48314, 53074, 90538, 96628, 106148, 109939, 181076, 185759, 219878, 316883, 371518, 439756, 633766, 743036, 769573, 1267532, 1539146, 3078292, 5387011, 10774022, 21548044]

約数ペア:

[(1, 21548044), (2, 10774022), (4, 5387011), (7, 3078292), (14, 1539146), (17, 1267532), (28, 769573), (29, 743036), (34, 633766), (49, 439756), (58, 371518), (68, 316883), (98, 219878), (116, 185759), (119, 181076), (196, 109939), (203, 106148), (223, 96628), (238, 90538), (406, 53074), (446, 48314), (476, 45269), (493, 43708), (812, 26537), (833, 25868), (892, 24157), (986, 21854), (1421, 15164), (1561, 13804), (1666, 12934), (1972, 10927), (2842, 7582), (3122, 6902), (3332, 6467), (3451, 6244), (3791, 5684)]