21309552

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1223}}^1$

素因数の和:1259

約数の個数: 90

約数和(自身を含む): 65605176

約数和(自身を除く): 44295624

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1223, 1452, 1584, 1936, 2178, 2446, 2904, 3669, 4356, 4892, 5808, 7338, 8712, 9784, 11007, 13453, 14676, 17424, 19568, 22014, 26906, 29352, 40359, 44028, 53812, 58704, 80718, 88056, 107624, 121077, 147983, 161436, 176112, 215248, 242154, 295966, 322872, 443949, 484308, 591932, 645744, 887898, 968616, 1183864, 1331847, 1775796, 1937232, 2367728, 2663694, 3551592, 5327388, 7103184, 10654776, 21309552]

約数ペア:

[(1, 21309552), (2, 10654776), (3, 7103184), (4, 5327388), (6, 3551592), (8, 2663694), (9, 2367728), (11, 1937232), (12, 1775796), (16, 1331847), (18, 1183864), (22, 968616), (24, 887898), (33, 645744), (36, 591932), (44, 484308), (48, 443949), (66, 322872), (72, 295966), (88, 242154), (99, 215248), (121, 176112), (132, 161436), (144, 147983), (176, 121077), (198, 107624), (242, 88056), (264, 80718), (363, 58704), (396, 53812), (484, 44028), (528, 40359), (726, 29352), (792, 26906), (968, 22014), (1089, 19568), (1223, 17424), (1452, 14676), (1584, 13453), (1936, 11007), (2178, 9784), (2446, 8712), (2904, 7338), (3669, 5808), (4356, 4892)]