21156954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38749}}^1$

素因数の和:38774

約数の個数: 32

約数和(自身を含む): 52080000

約数和(自身を除く): 30923046

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38749, 77498, 116247, 232494, 271243, 503737, 542486, 813729, 1007474, 1511211, 1627458, 3022422, 3526159, 7052318, 10578477, 21156954]

約数ペア:

[(1, 21156954), (2, 10578477), (3, 7052318), (6, 3526159), (7, 3022422), (13, 1627458), (14, 1511211), (21, 1007474), (26, 813729), (39, 542486), (42, 503737), (78, 271243), (91, 232494), (182, 116247), (273, 77498), (546, 38749)]