21946694

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 22469818

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 83, 101, 119, 154, 166, 187, 202, 238, 374, 581, 707, 913, 1111, 1162, 1309, 1411, 1414, 1717, 1826, 2222, 2618, 2822, 3434, 6391, 7777, 8383, 9877, 12019, 12782, 15521, 15554, 16766, 18887, 19754, 24038, 31042, 37774, 58681, 92213, 108647, 117362, 132209, 142511, 184426, 217294, 264418, 285022, 645491, 997577, 1290982, 1567621, 1995154, 3135242, 10973347, 21946694]

約数ペア:

[(1, 21946694), (2, 10973347), (7, 3135242), (11, 1995154), (14, 1567621), (17, 1290982), (22, 997577), (34, 645491), (77, 285022), (83, 264418), (101, 217294), (119, 184426), (154, 142511), (166, 132209), (187, 117362), (202, 108647), (238, 92213), (374, 58681), (581, 37774), (707, 31042), (913, 24038), (1111, 19754), (1162, 18887), (1309, 16766), (1411, 15554), (1414, 15521), (1717, 12782), (1826, 12019), (2222, 9877), (2618, 8383), (2822, 7777), (3434, 6391)]