21995232

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 45064992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 71, 84, 96, 112, 142, 168, 213, 224, 284, 336, 426, 461, 497, 568, 672, 852, 922, 994, 1136, 1383, 1491, 1704, 1844, 1988, 2272, 2766, 2982, 3227, 3408, 3688, 3976, 5532, 5964, 6454, 6816, 7376, 7952, 9681, 11064, 11928, 12908, 14752, 15904, 19362, 22128, 23856, 25816, 32731, 38724, 44256, 47712, 51632, 65462, 77448, 98193, 103264, 130924, 154896, 196386, 229117, 261848, 309792, 392772, 458234, 523696, 687351, 785544, 916468, 1047392, 1374702, 1571088, 1832936, 2749404, 3142176, 3665872, 5498808, 7331744, 10997616, 21995232]

約数ペア:

[(1, 21995232), (2, 10997616), (3, 7331744), (4, 5498808), (6, 3665872), (7, 3142176), (8, 2749404), (12, 1832936), (14, 1571088), (16, 1374702), (21, 1047392), (24, 916468), (28, 785544), (32, 687351), (42, 523696), (48, 458234), (56, 392772), (71, 309792), (84, 261848), (96, 229117), (112, 196386), (142, 154896), (168, 130924), (213, 103264), (224, 98193), (284, 77448), (336, 65462), (426, 51632), (461, 47712), (497, 44256), (568, 38724), (672, 32731), (852, 25816), (922, 23856), (994, 22128), (1136, 19362), (1383, 15904), (1491, 14752), (1704, 12908), (1844, 11928), (1988, 11064), (2272, 9681), (2766, 7952), (2982, 7376), (3227, 6816), (3408, 6454), (3688, 5964), (3976, 5532)]