21305088

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1350

約数の個数: 108

約数和(自身を含む): 70256368

約数和(自身を除く): 48951280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1321, 1344, 1792, 2016, 2304, 2642, 2688, 3963, 4032, 5284, 5376, 7926, 8064, 9247, 10568, 11889, 15852, 16128, 18494, 21136, 23778, 27741, 31704, 36988, 42272, 47556, 55482, 63408, 73976, 83223, 84544, 95112, 110964, 126816, 147952, 166446, 169088, 190224, 221928, 253632, 295904, 332892, 338176, 380448, 443856, 507264, 591808, 665784, 760896, 887712, 1014528, 1183616, 1331568, 1521792, 1775424, 2367232, 2663136, 3043584, 3550848, 5326272, 7101696, 10652544, 21305088]

約数ペア:

[(1, 21305088), (2, 10652544), (3, 7101696), (4, 5326272), (6, 3550848), (7, 3043584), (8, 2663136), (9, 2367232), (12, 1775424), (14, 1521792), (16, 1331568), (18, 1183616), (21, 1014528), (24, 887712), (28, 760896), (32, 665784), (36, 591808), (42, 507264), (48, 443856), (56, 380448), (63, 338176), (64, 332892), (72, 295904), (84, 253632), (96, 221928), (112, 190224), (126, 169088), (128, 166446), (144, 147952), (168, 126816), (192, 110964), (224, 95112), (252, 84544), (256, 83223), (288, 73976), (336, 63408), (384, 55482), (448, 47556), (504, 42272), (576, 36988), (672, 31704), (768, 27741), (896, 23778), (1008, 21136), (1152, 18494), (1321, 16128), (1344, 15852), (1792, 11889), (2016, 10568), (2304, 9247), (2642, 8064), (2688, 7926), (3963, 5376), (4032, 5284)]