21720690144

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1061}}^1\times {\mathrm{2293}}^1$

素因数の和:3401

約数の個数: 144

約数和(自身を含む): 63848663424

約数和(自身を除く): 42127973280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1061, 1116, 1488, 2122, 2232, 2293, 2976, 3183, 4244, 4464, 4586, 6366, 6879, 8488, 8928, 9172, 9549, 12732, 13758, 16976, 18344, 19098, 20637, 25464, 27516, 32891, 33952, 36688, 38196, 41274, 50928, 55032, 65782, 71083, 73376, 76392, 82548, 98673, 101856, 110064, 131564, 142166, 152784, 165096, 197346, 213249, 220128, 263128, 284332, 296019, 305568, 330192, 394692, 426498, 526256, 568664, 592038, 639747, 660384, 789384, 852996, 1052512, 1137328, 1184076, 1279494, 1578768, 1705992, 2274656, 2368152, 2432873, 2558988, 3157536, 3411984, 4736304, 4865746, 5117976, 6823968, 7298619, 9472608, 9731492, 10235952, 14597238, 19462984, 20471904, 21895857, 29194476, 38925968, 43791714, 58388952, 75419063, 77851936, 87583428, 116777904, 150838126, 175166856, 226257189, 233555808, 301676252, 350333712, 452514378, 603352504, 678771567, 700667424, 905028756, 1206705008, 1357543134, 1810057512, 2413410016, 2715086268, 3620115024, 5430172536, 7240230048, 10860345072, 21720690144]

約数ペア:

[(1, 21720690144), (2, 10860345072), (3, 7240230048), (4, 5430172536), (6, 3620115024), (8, 2715086268), (9, 2413410016), (12, 1810057512), (16, 1357543134), (18, 1206705008), (24, 905028756), (31, 700667424), (32, 678771567), (36, 603352504), (48, 452514378), (62, 350333712), (72, 301676252), (93, 233555808), (96, 226257189), (124, 175166856), (144, 150838126), (186, 116777904), (248, 87583428), (279, 77851936), (288, 75419063), (372, 58388952), (496, 43791714), (558, 38925968), (744, 29194476), (992, 21895857), (1061, 20471904), (1116, 19462984), (1488, 14597238), (2122, 10235952), (2232, 9731492), (2293, 9472608), (2976, 7298619), (3183, 6823968), (4244, 5117976), (4464, 4865746), (4586, 4736304), (6366, 3411984), (6879, 3157536), (8488, 2558988), (8928, 2432873), (9172, 2368152), (9549, 2274656), (12732, 1705992), (13758, 1578768), (16976, 1279494), (18344, 1184076), (19098, 1137328), (20637, 1052512), (25464, 852996), (27516, 789384), (32891, 660384), (33952, 639747), (36688, 592038), (38196, 568664), (41274, 526256), (50928, 426498), (55032, 394692), (65782, 330192), (71083, 305568), (73376, 296019), (76392, 284332), (82548, 263128), (98673, 220128), (101856, 213249), (110064, 197346), (131564, 165096), (142166, 152784)]