21318190992

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{134707}}^1$

素因数の和:134885

約数の個数: 120

約数和(自身を含む): 68619177536

約数和(自身を除く): 47300986544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 157, 168, 252, 314, 336, 471, 504, 628, 942, 1008, 1099, 1256, 1413, 1884, 2198, 2512, 2826, 3297, 3768, 4396, 5652, 6594, 7536, 8792, 9891, 11304, 13188, 17584, 19782, 22608, 26376, 39564, 52752, 79128, 134707, 158256, 269414, 404121, 538828, 808242, 942949, 1077656, 1212363, 1616484, 1885898, 2155312, 2424726, 2828847, 3232968, 3771796, 4849452, 5657694, 6465936, 7543592, 8486541, 9698904, 11315388, 15087184, 16973082, 19397808, 21148999, 22630776, 33946164, 42297998, 45261552, 63446997, 67892328, 84595996, 126893994, 135784656, 148042993, 169191992, 190340991, 253787988, 296085986, 338383984, 380681982, 444128979, 507575976, 592171972, 761363964, 888257958, 1015151952, 1184343944, 1332386937, 1522727928, 1776515916, 2368687888, 2664773874, 3045455856, 3553031832, 5329547748, 7106063664, 10659095496, 21318190992]

約数ペア:

[(1, 21318190992), (2, 10659095496), (3, 7106063664), (4, 5329547748), (6, 3553031832), (7, 3045455856), (8, 2664773874), (9, 2368687888), (12, 1776515916), (14, 1522727928), (16, 1332386937), (18, 1184343944), (21, 1015151952), (24, 888257958), (28, 761363964), (36, 592171972), (42, 507575976), (48, 444128979), (56, 380681982), (63, 338383984), (72, 296085986), (84, 253787988), (112, 190340991), (126, 169191992), (144, 148042993), (157, 135784656), (168, 126893994), (252, 84595996), (314, 67892328), (336, 63446997), (471, 45261552), (504, 42297998), (628, 33946164), (942, 22630776), (1008, 21148999), (1099, 19397808), (1256, 16973082), (1413, 15087184), (1884, 11315388), (2198, 9698904), (2512, 8486541), (2826, 7543592), (3297, 6465936), (3768, 5657694), (4396, 4849452), (5652, 3771796), (6594, 3232968), (7536, 2828847), (8792, 2424726), (9891, 2155312), (11304, 1885898), (13188, 1616484), (17584, 1212363), (19782, 1077656), (22608, 942949), (26376, 808242), (39564, 538828), (52752, 404121), (79128, 269414), (134707, 158256)]