21911708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 49984704

約数和(自身を除く): 28072996

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3541, 6188, 7082, 14164, 24787, 46033, 49574, 60197, 92066, 99148, 120394, 184132, 240788, 322231, 421379, 644462, 782561, 842758, 1288924, 1565122, 1685516, 3130244, 5477927, 10955854, 21911708]

約数ペア:

[(1, 21911708), (2, 10955854), (4, 5477927), (7, 3130244), (13, 1685516), (14, 1565122), (17, 1288924), (26, 842758), (28, 782561), (34, 644462), (52, 421379), (68, 322231), (91, 240788), (119, 184132), (182, 120394), (221, 99148), (238, 92066), (364, 60197), (442, 49574), (476, 46033), (884, 24787), (1547, 14164), (3094, 7082), (3541, 6188)]