21178122

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26539}}^1$

素因数の和:26570

約数の個数: 32

約数和(自身を含む): 50956800

約数和(自身を除く): 29778678

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26539, 53078, 79617, 159234, 185773, 371546, 504241, 557319, 1008482, 1114638, 1512723, 3025446, 3529687, 7059374, 10589061, 21178122]

約数ペア:

[(1, 21178122), (2, 10589061), (3, 7059374), (6, 3529687), (7, 3025446), (14, 1512723), (19, 1114638), (21, 1008482), (38, 557319), (42, 504241), (57, 371546), (114, 185773), (133, 159234), (266, 79617), (399, 53078), (798, 26539)]