21770595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 48282624

約数和(自身を除く): 26512029

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 61, 63, 77, 99, 103, 105, 165, 183, 231, 305, 309, 315, 385, 427, 495, 515, 549, 671, 693, 721, 915, 927, 1133, 1155, 1281, 1545, 2013, 2135, 2163, 2745, 3355, 3399, 3465, 3605, 3843, 4635, 4697, 5665, 6039, 6283, 6405, 6489, 7931, 10065, 10197, 10815, 14091, 16995, 18849, 19215, 23485, 23793, 30195, 31415, 32445, 39655, 42273, 43981, 50985, 56547, 69113, 70455, 71379, 94245, 118965, 131943, 207339, 211365, 219905, 282735, 345565, 356895, 395829, 483791, 622017, 659715, 1036695, 1451373, 1979145, 2418955, 3110085, 4354119, 7256865, 21770595]

約数ペア:

[(1, 21770595), (3, 7256865), (5, 4354119), (7, 3110085), (9, 2418955), (11, 1979145), (15, 1451373), (21, 1036695), (33, 659715), (35, 622017), (45, 483791), (55, 395829), (61, 356895), (63, 345565), (77, 282735), (99, 219905), (103, 211365), (105, 207339), (165, 131943), (183, 118965), (231, 94245), (305, 71379), (309, 70455), (315, 69113), (385, 56547), (427, 50985), (495, 43981), (515, 42273), (549, 39655), (671, 32445), (693, 31415), (721, 30195), (915, 23793), (927, 23485), (1133, 19215), (1155, 18849), (1281, 16995), (1545, 14091), (2013, 10815), (2135, 10197), (2163, 10065), (2745, 7931), (3355, 6489), (3399, 6405), (3465, 6283), (3605, 6039), (3843, 5665), (4635, 4697)]