21532143213

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 37275663360

約数和(自身を除く): 15743520147

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 157, 203, 261, 271, 277, 471, 609, 813, 831, 1099, 1413, 1827, 1897, 1939, 2439, 2493, 3297, 4553, 5691, 5817, 7859, 8033, 9891, 13659, 17073, 17451, 23577, 24099, 31871, 40977, 42547, 43489, 55013, 56231, 70731, 72297, 75067, 95613, 127641, 130467, 165039, 168693, 225201, 286839, 297829, 304423, 382923, 391401, 495117, 506079, 525469, 675603, 893487, 913269, 1233863, 1261181, 1576407, 2176943, 2680461, 2739807, 3701589, 3783543, 4729221, 6530829, 8637041, 8828267, 11104767, 11350629, 11785519, 15238601, 19592487, 25911123, 26484801, 35356557, 45715803, 77733369, 79454403, 82498633, 106069671, 137147409, 247495899, 341780051, 742487697, 1025340153, 2392460357, 3076020459, 7177381071, 21532143213]

約数ペア:

[(1, 21532143213), (3, 7177381071), (7, 3076020459), (9, 2392460357), (21, 1025340153), (29, 742487697), (63, 341780051), (87, 247495899), (157, 137147409), (203, 106069671), (261, 82498633), (271, 79454403), (277, 77733369), (471, 45715803), (609, 35356557), (813, 26484801), (831, 25911123), (1099, 19592487), (1413, 15238601), (1827, 11785519), (1897, 11350629), (1939, 11104767), (2439, 8828267), (2493, 8637041), (3297, 6530829), (4553, 4729221), (5691, 3783543), (5817, 3701589), (7859, 2739807), (8033, 2680461), (9891, 2176943), (13659, 1576407), (17073, 1261181), (17451, 1233863), (23577, 913269), (24099, 893487), (31871, 675603), (40977, 525469), (42547, 506079), (43489, 495117), (55013, 391401), (56231, 382923), (70731, 304423), (72297, 297829), (75067, 286839), (95613, 225201), (127641, 168693), (130467, 165039)]