21961061199

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8311}}^1$

素因数の和:8410

約数の個数: 128

約数和(自身を含む): 42897899520

約数和(自身を除く): 20936838321

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 41, 63, 77, 93, 99, 123, 189, 217, 231, 279, 287, 297, 341, 369, 451, 651, 693, 837, 861, 1023, 1107, 1271, 1353, 1953, 2079, 2387, 2583, 3069, 3157, 3813, 4059, 5859, 7161, 7749, 8311, 8897, 9207, 9471, 11439, 12177, 13981, 21483, 24933, 26691, 28413, 34317, 41943, 58177, 64449, 74799, 80073, 85239, 91421, 97867, 125829, 174531, 224397, 240219, 257641, 274263, 293601, 340751, 377487, 523593, 639947, 772923, 822789, 880803, 1022253, 1570779, 1803487, 1919841, 2318769, 2385257, 2468367, 2642409, 2834051, 3066759, 3748261, 5410461, 5759523, 6956307, 7155771, 8502153, 9200277, 10563281, 11244783, 16231383, 17278569, 19838357, 21467313, 25506459, 26237827, 31689843, 33734349, 48694149, 59515071, 64401939, 73942967, 76519377, 78713481, 95069529, 101203047, 116196091, 178545213, 221828901, 236140443, 285208587, 348588273, 535635639, 665486703, 708421329, 813372637, 1045764819, 1996460109, 2440117911, 3137294457, 7320353733, 21961061199]

約数ペア:

[(1, 21961061199), (3, 7320353733), (7, 3137294457), (9, 2440117911), (11, 1996460109), (21, 1045764819), (27, 813372637), (31, 708421329), (33, 665486703), (41, 535635639), (63, 348588273), (77, 285208587), (93, 236140443), (99, 221828901), (123, 178545213), (189, 116196091), (217, 101203047), (231, 95069529), (279, 78713481), (287, 76519377), (297, 73942967), (341, 64401939), (369, 59515071), (451, 48694149), (651, 33734349), (693, 31689843), (837, 26237827), (861, 25506459), (1023, 21467313), (1107, 19838357), (1271, 17278569), (1353, 16231383), (1953, 11244783), (2079, 10563281), (2387, 9200277), (2583, 8502153), (3069, 7155771), (3157, 6956307), (3813, 5759523), (4059, 5410461), (5859, 3748261), (7161, 3066759), (7749, 2834051), (8311, 2642409), (8897, 2468367), (9207, 2385257), (9471, 2318769), (11439, 1919841), (12177, 1803487), (13981, 1570779), (21483, 1022253), (24933, 880803), (26691, 822789), (28413, 772923), (34317, 639947), (41943, 523593), (58177, 377487), (64449, 340751), (74799, 293601), (80073, 274263), (85239, 257641), (91421, 240219), (97867, 224397), (125829, 174531)]