21291255866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{61121}}^1$

素因数の和:61334

約数の個数: 32

約数和(自身を含む): 34326115200

約数和(自身を除く): 13034859334

約数列:

[1, 2, 19, 38, 89, 103, 178, 206, 1691, 1957, 3382, 3914, 9167, 18334, 61121, 122242, 174173, 348346, 1161299, 2322598, 5439769, 6295463, 10879538, 12590926, 103355611, 119613797, 206711222, 239227594, 560296207, 1120592414, 10645627933, 21291255866]

約数ペア:

[(1, 21291255866), (2, 10645627933), (19, 1120592414), (38, 560296207), (89, 239227594), (103, 206711222), (178, 119613797), (206, 103355611), (1691, 12590926), (1957, 10879538), (3382, 6295463), (3914, 5439769), (9167, 2322598), (18334, 1161299), (61121, 348346), (122242, 174173)]