21757714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 37454400

約数和(自身を除く): 15696686

約数列:

[1, 2, 11, 22, 29, 58, 67, 134, 319, 509, 638, 737, 1018, 1474, 1943, 3886, 5599, 11198, 14761, 21373, 29522, 34103, 42746, 68206, 162371, 324742, 375133, 750266, 988987, 1977974, 10878857, 21757714]

約数ペア:

[(1, 21757714), (2, 10878857), (11, 1977974), (22, 988987), (29, 750266), (58, 375133), (67, 324742), (134, 162371), (319, 68206), (509, 42746), (638, 34103), (737, 29522), (1018, 21373), (1474, 14761), (1943, 11198), (3886, 5599)]