21485646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1050

約数の個数: 72

約数和(自身を含む): 57666960

約数和(自身を除く): 36181314

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1009, 1014, 1183, 1521, 1638, 2018, 2366, 3027, 3042, 3549, 6054, 7063, 7098, 9081, 10647, 13117, 14126, 18162, 21189, 21294, 26234, 39351, 42378, 63567, 78702, 91819, 118053, 127134, 170521, 183638, 236106, 275457, 341042, 511563, 550914, 826371, 1023126, 1193647, 1534689, 1652742, 2387294, 3069378, 3580941, 7161882, 10742823, 21485646]

約数ペア:

[(1, 21485646), (2, 10742823), (3, 7161882), (6, 3580941), (7, 3069378), (9, 2387294), (13, 1652742), (14, 1534689), (18, 1193647), (21, 1023126), (26, 826371), (39, 550914), (42, 511563), (63, 341042), (78, 275457), (91, 236106), (117, 183638), (126, 170521), (169, 127134), (182, 118053), (234, 91819), (273, 78702), (338, 63567), (507, 42378), (546, 39351), (819, 26234), (1009, 21294), (1014, 21189), (1183, 18162), (1521, 14126), (1638, 13117), (2018, 10647), (2366, 9081), (3027, 7098), (3042, 7063), (3549, 6054)]