21762176

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 46873080

約数和(自身を除く): 25110904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 128, 136, 137, 146, 272, 274, 292, 544, 548, 584, 1088, 1096, 1168, 1241, 2176, 2192, 2329, 2336, 2482, 4384, 4658, 4672, 4964, 8768, 9316, 9344, 9928, 10001, 17536, 18632, 19856, 20002, 37264, 39712, 40004, 74528, 79424, 80008, 149056, 158848, 160016, 170017, 298112, 320032, 340034, 640064, 680068, 1280128, 1360136, 2720272, 5440544, 10881088, 21762176]

約数ペア:

[(1, 21762176), (2, 10881088), (4, 5440544), (8, 2720272), (16, 1360136), (17, 1280128), (32, 680068), (34, 640064), (64, 340034), (68, 320032), (73, 298112), (128, 170017), (136, 160016), (137, 158848), (146, 149056), (272, 80008), (274, 79424), (292, 74528), (544, 40004), (548, 39712), (584, 37264), (1088, 20002), (1096, 19856), (1168, 18632), (1241, 17536), (2176, 10001), (2192, 9928), (2329, 9344), (2336, 9316), (2482, 8768), (4384, 4964), (4658, 4672)]