21474522881

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{733}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 26433248400

約数和(自身を除く): 4958725519

約数列:

[1, 7, 29, 49, 53, 203, 371, 389, 733, 1421, 1537, 2597, 2723, 5131, 10759, 11281, 19061, 20617, 21257, 35917, 38849, 75313, 78967, 144319, 148799, 271943, 285137, 552769, 597893, 1010233, 1041593, 1126621, 1903601, 1995959, 4185251, 7886347, 8268973, 13971713, 15112261, 29296757, 55204429, 57882811, 105785827, 405179677, 438255569, 740500789, 3067788983, 21474522881]

約数ペア:

[(1, 21474522881), (7, 3067788983), (29, 740500789), (49, 438255569), (53, 405179677), (203, 105785827), (371, 57882811), (389, 55204429), (733, 29296757), (1421, 15112261), (1537, 13971713), (2597, 8268973), (2723, 7886347), (5131, 4185251), (10759, 1995959), (11281, 1903601), (19061, 1126621), (20617, 1041593), (21257, 1010233), (35917, 597893), (38849, 552769), (75313, 285137), (78967, 271943), (144319, 148799)]