21853024

素因数分解:

$2^5\times {\mathrm{17}}^3\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 46040400

約数和(自身を除く): 24187376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 272, 278, 289, 544, 556, 578, 1112, 1156, 2224, 2312, 2363, 4448, 4624, 4726, 4913, 9248, 9452, 9826, 18904, 19652, 37808, 39304, 40171, 75616, 78608, 80342, 157216, 160684, 321368, 642736, 682907, 1285472, 1365814, 2731628, 5463256, 10926512, 21853024]

約数ペア:

[(1, 21853024), (2, 10926512), (4, 5463256), (8, 2731628), (16, 1365814), (17, 1285472), (32, 682907), (34, 642736), (68, 321368), (136, 160684), (139, 157216), (272, 80342), (278, 78608), (289, 75616), (544, 40171), (556, 39304), (578, 37808), (1112, 19652), (1156, 18904), (2224, 9826), (2312, 9452), (2363, 9248), (4448, 4913), (4624, 4726)]