21310210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 41083200

約数和(自身を除く): 19772990

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 1901, 2242, 3802, 5605, 9505, 11210, 19010, 36119, 72238, 112159, 180595, 224318, 361190, 560795, 1121590, 2131021, 4262042, 10655105, 21310210]

約数ペア:

[(1, 21310210), (2, 10655105), (5, 4262042), (10, 2131021), (19, 1121590), (38, 560795), (59, 361190), (95, 224318), (118, 180595), (190, 112159), (295, 72238), (590, 36119), (1121, 19010), (1901, 11210), (2242, 9505), (3802, 5605)]