21390488

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22469}}^1$

素因数の和:22499

約数の個数: 32

約数和(自身を含む): 48535200

約数和(自身を除く): 27144712

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22469, 44938, 89876, 157283, 179752, 314566, 381973, 629132, 763946, 1258264, 1527892, 2673811, 3055784, 5347622, 10695244, 21390488]

約数ペア:

[(1, 21390488), (2, 10695244), (4, 5347622), (7, 3055784), (8, 2673811), (14, 1527892), (17, 1258264), (28, 763946), (34, 629132), (56, 381973), (68, 314566), (119, 179752), (136, 157283), (238, 89876), (476, 44938), (952, 22469)]