21112413

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43711}}^1$

素因数の和:43744

約数の個数: 16

約数和(自身を含む): 33570816

約数和(自身を除く): 12458403

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43711, 131133, 305977, 917931, 1005353, 3016059, 7037471, 21112413]

約数ペア:

[(1, 21112413), (3, 7037471), (7, 3016059), (21, 1005353), (23, 917931), (69, 305977), (161, 131133), (483, 43711)]