21887658

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:593

約数の個数: 80

約数和(自身を含む): 55698720

約数和(自身を除く): 33811062

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 547, 702, 741, 1026, 1053, 1094, 1482, 1539, 1641, 2106, 2223, 3078, 3282, 4446, 4923, 6669, 7111, 9846, 10393, 13338, 14222, 14769, 20007, 20786, 21333, 29538, 31179, 40014, 42666, 44307, 62358, 63999, 88614, 93537, 127998, 135109, 187074, 191997, 270218, 280611, 383994, 405327, 561222, 575991, 810654, 841833, 1151982, 1215981, 1683666, 2431962, 3647943, 7295886, 10943829, 21887658]

約数ペア:

[(1, 21887658), (2, 10943829), (3, 7295886), (6, 3647943), (9, 2431962), (13, 1683666), (18, 1215981), (19, 1151982), (26, 841833), (27, 810654), (38, 575991), (39, 561222), (54, 405327), (57, 383994), (78, 280611), (81, 270218), (114, 191997), (117, 187074), (162, 135109), (171, 127998), (234, 93537), (247, 88614), (342, 63999), (351, 62358), (494, 44307), (513, 42666), (547, 40014), (702, 31179), (741, 29538), (1026, 21333), (1053, 20786), (1094, 20007), (1482, 14769), (1539, 14222), (1641, 13338), (2106, 10393), (2223, 9846), (3078, 7111), (3282, 6669), (4446, 4923)]