21006438

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1789}}^1$

素因数の和:1916

約数の個数: 32

約数和(自身を含む): 44678400

約数和(自身を除く): 23671962

約数列:

[1, 2, 3, 6, 19, 38, 57, 103, 114, 206, 309, 618, 1789, 1957, 3578, 3914, 5367, 5871, 10734, 11742, 33991, 67982, 101973, 184267, 203946, 368534, 552801, 1105602, 3501073, 7002146, 10503219, 21006438]

約数ペア:

[(1, 21006438), (2, 10503219), (3, 7002146), (6, 3501073), (19, 1105602), (38, 552801), (57, 368534), (103, 203946), (114, 184267), (206, 101973), (309, 67982), (618, 33991), (1789, 11742), (1957, 10734), (3578, 5871), (3914, 5367)]