21697236

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 108

約数和(自身を含む): 64049076

約数和(自身を除く): 42351840

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 121, 132, 153, 187, 198, 204, 242, 293, 306, 363, 374, 396, 484, 561, 586, 612, 726, 748, 879, 1089, 1122, 1172, 1452, 1683, 1758, 2057, 2178, 2244, 2637, 3223, 3366, 3516, 4114, 4356, 4981, 5274, 6171, 6446, 6732, 8228, 9669, 9962, 10548, 12342, 12892, 14943, 18513, 19338, 19924, 24684, 29007, 29886, 35453, 37026, 38676, 44829, 54791, 58014, 59772, 70906, 74052, 89658, 106359, 109582, 116028, 141812, 164373, 179316, 212718, 219164, 319077, 328746, 425436, 493119, 602701, 638154, 657492, 986238, 1205402, 1276308, 1808103, 1972476, 2410804, 3616206, 5424309, 7232412, 10848618, 21697236]

約数ペア:

[(1, 21697236), (2, 10848618), (3, 7232412), (4, 5424309), (6, 3616206), (9, 2410804), (11, 1972476), (12, 1808103), (17, 1276308), (18, 1205402), (22, 986238), (33, 657492), (34, 638154), (36, 602701), (44, 493119), (51, 425436), (66, 328746), (68, 319077), (99, 219164), (102, 212718), (121, 179316), (132, 164373), (153, 141812), (187, 116028), (198, 109582), (204, 106359), (242, 89658), (293, 74052), (306, 70906), (363, 59772), (374, 58014), (396, 54791), (484, 44829), (561, 38676), (586, 37026), (612, 35453), (726, 29886), (748, 29007), (879, 24684), (1089, 19924), (1122, 19338), (1172, 18513), (1452, 14943), (1683, 12892), (1758, 12342), (2057, 10548), (2178, 9962), (2244, 9669), (2637, 8228), (3223, 6732), (3366, 6446), (3516, 6171), (4114, 5274), (4356, 4981)]