21415128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6709}}^1$

素因数の和:6744

約数の個数: 64

約数和(自身を含む): 64416000

約数和(自身を除く): 43000872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6709, 13418, 20127, 26836, 40254, 46963, 53672, 80508, 93926, 127471, 140889, 161016, 187852, 254942, 281778, 375704, 382413, 509884, 563556, 764826, 892297, 1019768, 1127112, 1529652, 1784594, 2676891, 3059304, 3569188, 5353782, 7138376, 10707564, 21415128]

約数ペア:

[(1, 21415128), (2, 10707564), (3, 7138376), (4, 5353782), (6, 3569188), (7, 3059304), (8, 2676891), (12, 1784594), (14, 1529652), (19, 1127112), (21, 1019768), (24, 892297), (28, 764826), (38, 563556), (42, 509884), (56, 382413), (57, 375704), (76, 281778), (84, 254942), (114, 187852), (133, 161016), (152, 140889), (168, 127471), (228, 93926), (266, 80508), (399, 53672), (456, 46963), (532, 40254), (798, 26836), (1064, 20127), (1596, 13418), (3192, 6709)]