21103870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3583}}^1$

素因数の和:3640

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 20183810

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3583, 5890, 7166, 17915, 35830, 68077, 111073, 136154, 222146, 340385, 555365, 680770, 1110730, 2110387, 4220774, 10551935, 21103870]

約数ペア:

[(1, 21103870), (2, 10551935), (5, 4220774), (10, 2110387), (19, 1110730), (31, 680770), (38, 555365), (62, 340385), (95, 222146), (155, 136154), (190, 111073), (310, 68077), (589, 35830), (1178, 17915), (2945, 7166), (3583, 5890)]