21600378

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 51984000

約数和(自身を除く): 30383622

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 111, 114, 171, 222, 333, 342, 513, 569, 666, 703, 999, 1026, 1138, 1406, 1707, 1998, 2109, 3414, 4218, 5121, 6327, 10242, 10811, 12654, 15363, 18981, 21053, 21622, 30726, 32433, 37962, 42106, 63159, 64866, 97299, 126318, 189477, 194598, 291897, 378954, 400007, 568431, 583794, 800014, 1136862, 1200021, 2400042, 3600063, 7200126, 10800189, 21600378]

約数ペア:

[(1, 21600378), (2, 10800189), (3, 7200126), (6, 3600063), (9, 2400042), (18, 1200021), (19, 1136862), (27, 800014), (37, 583794), (38, 568431), (54, 400007), (57, 378954), (74, 291897), (111, 194598), (114, 189477), (171, 126318), (222, 97299), (333, 64866), (342, 63159), (513, 42106), (569, 37962), (666, 32433), (703, 30726), (999, 21622), (1026, 21053), (1138, 18981), (1406, 15363), (1707, 12654), (1998, 10811), (2109, 10242), (3414, 6327), (4218, 5121)]