21198184

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 48970980

約数和(自身を除く): 27772796

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3181, 3332, 6362, 6664, 12724, 22267, 25448, 44534, 54077, 89068, 108154, 155869, 178136, 216308, 311738, 378539, 432616, 623476, 757078, 1246952, 1514156, 2649773, 3028312, 5299546, 10599092, 21198184]

約数ペア:

[(1, 21198184), (2, 10599092), (4, 5299546), (7, 3028312), (8, 2649773), (14, 1514156), (17, 1246952), (28, 757078), (34, 623476), (49, 432616), (56, 378539), (68, 311738), (98, 216308), (119, 178136), (136, 155869), (196, 108154), (238, 89068), (392, 54077), (476, 44534), (833, 25448), (952, 22267), (1666, 12724), (3181, 6664), (3332, 6362)]