21491742

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{115547}}^1$

素因数の和:115583

約数の個数: 16

約数和(自身を含む): 44370432

約数和(自身を除く): 22878690

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 115547, 231094, 346641, 693282, 3581957, 7163914, 10745871, 21491742]

約数ペア:

[(1, 21491742), (2, 10745871), (3, 7163914), (6, 3581957), (31, 693282), (62, 346641), (93, 231094), (186, 115547)]