21181022463

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1\times {\mathrm{659}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 28735660800

約数和(自身を除く): 7554638337

約数列:

[1, 3, 109, 227, 327, 433, 659, 681, 1299, 1977, 24743, 47197, 71831, 74229, 98291, 141591, 149593, 215493, 285347, 294873, 448779, 856041, 10713719, 16305637, 31102823, 32141157, 48916911, 64773769, 93308469, 194321307, 7060340821, 21181022463]

約数ペア:

[(1, 21181022463), (3, 7060340821), (109, 194321307), (227, 93308469), (327, 64773769), (433, 48916911), (659, 32141157), (681, 31102823), (1299, 16305637), (1977, 10713719), (24743, 856041), (47197, 448779), (71831, 294873), (74229, 285347), (98291, 215493), (141591, 149593)]