21091551824

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1523}}^1\times {\mathrm{2333}}^1$

素因数の和:3924

約数の個数: 80

約数和(自身を含む): 47635558272

約数和(自身を除く): 26544006448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 1523, 2333, 2968, 3046, 4666, 5936, 6092, 9332, 10661, 12184, 16331, 18664, 21322, 24368, 32662, 37328, 42644, 65324, 80719, 85288, 123649, 130648, 161438, 170576, 247298, 261296, 322876, 494596, 565033, 645752, 865543, 989192, 1130066, 1291504, 1731086, 1978384, 2260132, 3462172, 3553159, 4520264, 6924344, 7106318, 9040528, 13848688, 14212636, 24872113, 28425272, 49744226, 56850544, 99488452, 188317427, 198976904, 376634854, 397953808, 753269708, 1318221989, 1506539416, 2636443978, 3013078832, 5272887956, 10545775912, 21091551824]

約数ペア:

[(1, 21091551824), (2, 10545775912), (4, 5272887956), (7, 3013078832), (8, 2636443978), (14, 1506539416), (16, 1318221989), (28, 753269708), (53, 397953808), (56, 376634854), (106, 198976904), (112, 188317427), (212, 99488452), (371, 56850544), (424, 49744226), (742, 28425272), (848, 24872113), (1484, 14212636), (1523, 13848688), (2333, 9040528), (2968, 7106318), (3046, 6924344), (4666, 4520264), (5936, 3553159), (6092, 3462172), (9332, 2260132), (10661, 1978384), (12184, 1731086), (16331, 1291504), (18664, 1130066), (21322, 989192), (24368, 865543), (32662, 645752), (37328, 565033), (42644, 494596), (65324, 322876), (80719, 261296), (85288, 247298), (123649, 170576), (130648, 161438)]