21534714

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 51072000

約数和(自身を除く): 29537286

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 139, 151, 171, 278, 302, 342, 417, 453, 513, 834, 906, 1026, 1251, 1359, 2502, 2641, 2718, 2869, 3753, 4077, 5282, 5738, 7506, 7923, 8154, 8607, 15846, 17214, 20989, 23769, 25821, 41978, 47538, 51642, 62967, 71307, 77463, 125934, 142614, 154926, 188901, 377802, 398791, 566703, 797582, 1133406, 1196373, 2392746, 3589119, 7178238, 10767357, 21534714]

約数ペア:

[(1, 21534714), (2, 10767357), (3, 7178238), (6, 3589119), (9, 2392746), (18, 1196373), (19, 1133406), (27, 797582), (38, 566703), (54, 398791), (57, 377802), (114, 188901), (139, 154926), (151, 142614), (171, 125934), (278, 77463), (302, 71307), (342, 62967), (417, 51642), (453, 47538), (513, 41978), (834, 25821), (906, 23769), (1026, 20989), (1251, 17214), (1359, 15846), (2502, 8607), (2641, 8154), (2718, 7923), (2869, 7506), (3753, 5738), (4077, 5282)]