16921170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 96

約数和(自身を含む): 52531200

約数和(自身を除く): 35610030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1279, 1323, 1470, 1890, 2205, 2558, 2646, 3837, 4410, 6395, 6615, 7674, 8953, 11511, 12790, 13230, 17906, 19185, 23022, 26859, 34533, 38370, 44765, 53718, 57555, 62671, 69066, 80577, 89530, 115110, 125342, 134295, 161154, 172665, 188013, 241731, 268590, 313355, 345330, 376026, 402885, 483462, 564039, 626710, 805770, 940065, 1128078, 1208655, 1692117, 1880130, 2417310, 2820195, 3384234, 5640390, 8460585, 16921170]

約数ペア:

[(1, 16921170), (2, 8460585), (3, 5640390), (5, 3384234), (6, 2820195), (7, 2417310), (9, 1880130), (10, 1692117), (14, 1208655), (15, 1128078), (18, 940065), (21, 805770), (27, 626710), (30, 564039), (35, 483462), (42, 402885), (45, 376026), (49, 345330), (54, 313355), (63, 268590), (70, 241731), (90, 188013), (98, 172665), (105, 161154), (126, 134295), (135, 125342), (147, 115110), (189, 89530), (210, 80577), (245, 69066), (270, 62671), (294, 57555), (315, 53718), (378, 44765), (441, 38370), (490, 34533), (630, 26859), (735, 23022), (882, 19185), (945, 17906), (1279, 13230), (1323, 12790), (1470, 11511), (1890, 8953), (2205, 7674), (2558, 6615), (2646, 6395), (3837, 4410)]