21737716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 30758924

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 61, 77, 89, 91, 122, 143, 154, 178, 182, 244, 286, 308, 356, 364, 427, 572, 623, 671, 793, 854, 979, 1001, 1157, 1246, 1342, 1586, 1708, 1958, 2002, 2314, 2492, 2684, 3172, 3916, 4004, 4628, 4697, 5429, 5551, 6853, 8099, 8723, 9394, 10858, 11102, 12727, 13706, 16198, 17446, 18788, 21716, 22204, 25454, 27412, 32396, 34892, 38003, 50908, 59719, 61061, 70577, 76006, 89089, 119438, 122122, 141154, 152012, 178178, 238876, 244244, 282308, 356356, 418033, 494039, 776347, 836066, 988078, 1552694, 1672132, 1976156, 3105388, 5434429, 10868858, 21737716]

約数ペア:

[(1, 21737716), (2, 10868858), (4, 5434429), (7, 3105388), (11, 1976156), (13, 1672132), (14, 1552694), (22, 988078), (26, 836066), (28, 776347), (44, 494039), (52, 418033), (61, 356356), (77, 282308), (89, 244244), (91, 238876), (122, 178178), (143, 152012), (154, 141154), (178, 122122), (182, 119438), (244, 89089), (286, 76006), (308, 70577), (356, 61061), (364, 59719), (427, 50908), (572, 38003), (623, 34892), (671, 32396), (793, 27412), (854, 25454), (979, 22204), (1001, 21716), (1157, 18788), (1246, 17446), (1342, 16198), (1586, 13706), (1708, 12727), (1958, 11102), (2002, 10858), (2314, 9394), (2492, 8723), (2684, 8099), (3172, 6853), (3916, 5551), (4004, 5429), (4628, 4697)]