21647142

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{3313}}^1$

素因数の和:3346

約数の個数: 48

約数和(自身を含む): 52891440

約数和(自身を除く): 31244298

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 121, 198, 242, 297, 363, 594, 726, 1089, 2178, 3267, 3313, 6534, 6626, 9939, 19878, 29817, 36443, 59634, 72886, 89451, 109329, 178902, 218658, 327987, 400873, 655974, 801746, 983961, 1202619, 1967922, 2405238, 3607857, 7215714, 10823571, 21647142]

約数ペア:

[(1, 21647142), (2, 10823571), (3, 7215714), (6, 3607857), (9, 2405238), (11, 1967922), (18, 1202619), (22, 983961), (27, 801746), (33, 655974), (54, 400873), (66, 327987), (99, 218658), (121, 178902), (198, 109329), (242, 89451), (297, 72886), (363, 59634), (594, 36443), (726, 29817), (1089, 19878), (2178, 9939), (3267, 6626), (3313, 6534)]