21063168

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{653}}^1$

素因数の和:684

約数の個数: 120

約数和(自身を含む): 69580368

約数和(自身を除く): 48517200

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, 512, 576, 653, 672, 768, 896, 1008, 1152, 1306, 1344, 1536, 1792, 1959, 2016, 2304, 2612, 2688, 3584, 3918, 4032, 4571, 4608, 5224, 5376, 5877, 7836, 8064, 9142, 10448, 10752, 11754, 13713, 15672, 16128, 18284, 20896, 23508, 27426, 31344, 32256, 36568, 41139, 41792, 47016, 54852, 62688, 73136, 82278, 83584, 94032, 109704, 125376, 146272, 164556, 167168, 188064, 219408, 250752, 292544, 329112, 334336, 376128, 438816, 501504, 585088, 658224, 752256, 877632, 1003008, 1170176, 1316448, 1504512, 1755264, 2340352, 2632896, 3009024, 3510528, 5265792, 7021056, 10531584, 21063168]

約数ペア:

[(1, 21063168), (2, 10531584), (3, 7021056), (4, 5265792), (6, 3510528), (7, 3009024), (8, 2632896), (9, 2340352), (12, 1755264), (14, 1504512), (16, 1316448), (18, 1170176), (21, 1003008), (24, 877632), (28, 752256), (32, 658224), (36, 585088), (42, 501504), (48, 438816), (56, 376128), (63, 334336), (64, 329112), (72, 292544), (84, 250752), (96, 219408), (112, 188064), (126, 167168), (128, 164556), (144, 146272), (168, 125376), (192, 109704), (224, 94032), (252, 83584), (256, 82278), (288, 73136), (336, 62688), (384, 54852), (448, 47016), (504, 41792), (512, 41139), (576, 36568), (653, 32256), (672, 31344), (768, 27426), (896, 23508), (1008, 20896), (1152, 18284), (1306, 16128), (1344, 15672), (1536, 13713), (1792, 11754), (1959, 10752), (2016, 10448), (2304, 9142), (2612, 8064), (2688, 7836), (3584, 5877), (3918, 5376), (4032, 5224), (4571, 4608)]