21275082

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{809}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 47433600

約数和(自身を除く): 26158518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 809, 974, 1461, 1618, 2427, 2922, 4383, 4854, 7281, 8766, 13149, 14562, 21843, 26298, 43686, 393983, 787966, 1181949, 2363898, 3545847, 7091694, 10637541, 21275082]

約数ペア:

[(1, 21275082), (2, 10637541), (3, 7091694), (6, 3545847), (9, 2363898), (18, 1181949), (27, 787966), (54, 393983), (487, 43686), (809, 26298), (974, 21843), (1461, 14562), (1618, 13149), (2427, 8766), (2922, 7281), (4383, 4854)]