21547488

素因数分解:

$2^5\times 3^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 56805840

約数和(自身を除く): 35258352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 389, 577, 778, 1154, 1167, 1556, 1731, 2308, 2334, 3112, 3462, 4616, 4668, 6224, 6924, 9232, 9336, 12448, 13848, 18464, 18672, 27696, 37344, 55392, 224453, 448906, 673359, 897812, 1346718, 1795624, 2693436, 3591248, 5386872, 7182496, 10773744, 21547488]

約数ペア:

[(1, 21547488), (2, 10773744), (3, 7182496), (4, 5386872), (6, 3591248), (8, 2693436), (12, 1795624), (16, 1346718), (24, 897812), (32, 673359), (48, 448906), (96, 224453), (389, 55392), (577, 37344), (778, 27696), (1154, 18672), (1167, 18464), (1556, 13848), (1731, 12448), (2308, 9336), (2334, 9232), (3112, 6924), (3462, 6224), (4616, 4668)]