2161516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2676884

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 239, 266, 323, 476, 478, 532, 646, 956, 1292, 1673, 2261, 3346, 4063, 4522, 4541, 6692, 8126, 9044, 9082, 16252, 18164, 28441, 31787, 56882, 63574, 77197, 113764, 127148, 154394, 308788, 540379, 1080758, 2161516]

約数ペア:

[(1, 2161516), (2, 1080758), (4, 540379), (7, 308788), (14, 154394), (17, 127148), (19, 113764), (28, 77197), (34, 63574), (38, 56882), (68, 31787), (76, 28441), (119, 18164), (133, 16252), (238, 9082), (239, 9044), (266, 8126), (323, 6692), (476, 4541), (478, 4522), (532, 4063), (646, 3346), (956, 2261), (1292, 1673)]